19946520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:127

約数の個数: 256

約数和(自身を含む): 76723200

約数和(自身を除く): 56776680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 23, 24, 27, 30, 33, 36, 40, 44, 45, 46, 54, 55, 60, 66, 69, 72, 73, 88, 90, 92, 99, 108, 110, 115, 120, 132, 135, 138, 146, 165, 180, 184, 198, 207, 216, 219, 220, 230, 253, 264, 270, 276, 292, 297, 330, 345, 360, 365, 396, 414, 438, 440, 460, 495, 506, 540, 552, 584, 594, 621, 657, 660, 690, 730, 759, 792, 803, 828, 876, 920, 990, 1012, 1035, 1080, 1095, 1188, 1242, 1265, 1314, 1320, 1380, 1460, 1485, 1518, 1606, 1656, 1679, 1752, 1971, 1980, 2024, 2070, 2190, 2277, 2376, 2409, 2484, 2530, 2628, 2760, 2920, 2970, 3036, 3105, 3212, 3285, 3358, 3795, 3942, 3960, 4015, 4140, 4380, 4554, 4818, 4968, 5037, 5060, 5256, 5940, 6072, 6210, 6424, 6570, 6716, 6831, 7227, 7590, 7884, 8030, 8280, 8395, 8760, 9108, 9636, 9855, 10074, 10120, 11385, 11880, 12045, 12420, 13140, 13432, 13662, 14454, 15111, 15180, 15768, 16060, 16790, 18216, 18469, 19272, 19710, 20148, 21681, 22770, 24090, 24840, 25185, 26280, 27324, 28908, 30222, 30360, 32120, 33580, 34155, 36135, 36938, 39420, 40296, 43362, 45333, 45540, 48180, 50370, 54648, 55407, 57816, 60444, 67160, 68310, 72270, 73876, 75555, 78840, 86724, 90666, 91080, 92345, 96360, 100740, 108405, 110814, 120888, 136620, 144540, 147752, 151110, 166221, 173448, 181332, 184690, 201480, 216810, 221628, 226665, 273240, 277035, 289080, 302220, 332442, 362664, 369380, 433620, 443256, 453330, 498663, 554070, 604440, 664884, 738760, 831105, 867240, 906660, 997326, 1108140, 1329768, 1662210, 1813320, 1994652, 2216280, 2493315, 3324420, 3989304, 4986630, 6648840, 9973260, 19946520]

約数ペア:

[(1, 19946520), (2, 9973260), (3, 6648840), (4, 4986630), (5, 3989304), (6, 3324420), (8, 2493315), (9, 2216280), (10, 1994652), (11, 1813320), (12, 1662210), (15, 1329768), (18, 1108140), (20, 997326), (22, 906660), (23, 867240), (24, 831105), (27, 738760), (30, 664884), (33, 604440), (36, 554070), (40, 498663), (44, 453330), (45, 443256), (46, 433620), (54, 369380), (55, 362664), (60, 332442), (66, 302220), (69, 289080), (72, 277035), (73, 273240), (88, 226665), (90, 221628), (92, 216810), (99, 201480), (108, 184690), (110, 181332), (115, 173448), (120, 166221), (132, 151110), (135, 147752), (138, 144540), (146, 136620), (165, 120888), (180, 110814), (184, 108405), (198, 100740), (207, 96360), (216, 92345), (219, 91080), (220, 90666), (230, 86724), (253, 78840), (264, 75555), (270, 73876), (276, 72270), (292, 68310), (297, 67160), (330, 60444), (345, 57816), (360, 55407), (365, 54648), (396, 50370), (414, 48180), (438, 45540), (440, 45333), (460, 43362), (495, 40296), (506, 39420), (540, 36938), (552, 36135), (584, 34155), (594, 33580), (621, 32120), (657, 30360), (660, 30222), (690, 28908), (730, 27324), (759, 26280), (792, 25185), (803, 24840), (828, 24090), (876, 22770), (920, 21681), (990, 20148), (1012, 19710), (1035, 19272), (1080, 18469), (1095, 18216), (1188, 16790), (1242, 16060), (1265, 15768), (1314, 15180), (1320, 15111), (1380, 14454), (1460, 13662), (1485, 13432), (1518, 13140), (1606, 12420), (1656, 12045), (1679, 11880), (1752, 11385), (1971, 10120), (1980, 10074), (2024, 9855), (2070, 9636), (2190, 9108), (2277, 8760), (2376, 8395), (2409, 8280), (2484, 8030), (2530, 7884), (2628, 7590), (2760, 7227), (2920, 6831), (2970, 6716), (3036, 6570), (3105, 6424), (3212, 6210), (3285, 6072), (3358, 5940), (3795, 5256), (3942, 5060), (3960, 5037), (4015, 4968), (4140, 4818), (4380, 4554)]