19796560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 160

約数和(自身を含む): 57853440

約数和(自身を除く): 38056880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 29, 35, 40, 46, 53, 56, 58, 70, 80, 92, 106, 112, 115, 116, 140, 145, 161, 184, 203, 212, 230, 232, 265, 280, 290, 322, 368, 371, 406, 424, 460, 464, 530, 560, 580, 644, 667, 742, 805, 812, 848, 920, 1015, 1060, 1160, 1219, 1288, 1334, 1484, 1537, 1610, 1624, 1840, 1855, 2030, 2120, 2320, 2438, 2576, 2668, 2968, 3074, 3220, 3248, 3335, 3710, 4060, 4240, 4669, 4876, 5336, 5936, 6095, 6148, 6440, 6670, 7420, 7685, 8120, 8533, 9338, 9752, 10672, 10759, 12190, 12296, 12880, 13340, 14840, 15370, 16240, 17066, 18676, 19504, 21518, 23345, 24380, 24592, 26680, 29680, 30740, 34132, 35351, 37352, 42665, 43036, 46690, 48760, 53360, 53795, 61480, 68264, 70702, 74704, 85330, 86072, 93380, 97520, 107590, 122960, 136528, 141404, 170660, 172144, 176755, 186760, 215180, 247457, 282808, 341320, 353510, 373520, 430360, 494914, 565616, 682640, 707020, 860720, 989828, 1237285, 1414040, 1979656, 2474570, 2828080, 3959312, 4949140, 9898280, 19796560]

約数ペア:

[(1, 19796560), (2, 9898280), (4, 4949140), (5, 3959312), (7, 2828080), (8, 2474570), (10, 1979656), (14, 1414040), (16, 1237285), (20, 989828), (23, 860720), (28, 707020), (29, 682640), (35, 565616), (40, 494914), (46, 430360), (53, 373520), (56, 353510), (58, 341320), (70, 282808), (80, 247457), (92, 215180), (106, 186760), (112, 176755), (115, 172144), (116, 170660), (140, 141404), (145, 136528), (161, 122960), (184, 107590), (203, 97520), (212, 93380), (230, 86072), (232, 85330), (265, 74704), (280, 70702), (290, 68264), (322, 61480), (368, 53795), (371, 53360), (406, 48760), (424, 46690), (460, 43036), (464, 42665), (530, 37352), (560, 35351), (580, 34132), (644, 30740), (667, 29680), (742, 26680), (805, 24592), (812, 24380), (848, 23345), (920, 21518), (1015, 19504), (1060, 18676), (1160, 17066), (1219, 16240), (1288, 15370), (1334, 14840), (1484, 13340), (1537, 12880), (1610, 12296), (1624, 12190), (1840, 10759), (1855, 10672), (2030, 9752), (2120, 9338), (2320, 8533), (2438, 8120), (2576, 7685), (2668, 7420), (2968, 6670), (3074, 6440), (3220, 6148), (3248, 6095), (3335, 5936), (3710, 5336), (4060, 4876), (4240, 4669)]