18977760

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 69672960

約数和(自身を除く): 50695200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 180, 184, 191, 207, 216, 230, 240, 270, 276, 288, 345, 360, 368, 382, 414, 432, 460, 480, 540, 552, 573, 621, 690, 720, 736, 764, 828, 864, 920, 955, 1035, 1080, 1104, 1146, 1242, 1380, 1440, 1528, 1656, 1719, 1840, 1910, 2070, 2160, 2208, 2292, 2484, 2760, 2865, 3056, 3105, 3312, 3438, 3680, 3820, 4140, 4320, 4393, 4584, 4968, 5157, 5520, 5730, 6112, 6210, 6624, 6876, 7640, 8280, 8595, 8786, 9168, 9936, 10314, 11040, 11460, 12420, 13179, 13752, 15280, 16560, 17190, 17572, 18336, 19872, 20628, 21965, 22920, 24840, 25785, 26358, 27504, 30560, 33120, 34380, 35144, 39537, 41256, 43930, 45840, 49680, 51570, 52716, 55008, 65895, 68760, 70288, 79074, 82512, 87860, 91680, 99360, 103140, 105432, 118611, 131790, 137520, 140576, 158148, 165024, 175720, 197685, 206280, 210864, 237222, 263580, 275040, 316296, 351440, 395370, 412560, 421728, 474444, 527160, 593055, 632592, 702880, 790740, 825120, 948888, 1054320, 1186110, 1265184, 1581480, 1897776, 2108640, 2372220, 3162960, 3795552, 4744440, 6325920, 9488880, 18977760]

約数ペア:

[(1, 18977760), (2, 9488880), (3, 6325920), (4, 4744440), (5, 3795552), (6, 3162960), (8, 2372220), (9, 2108640), (10, 1897776), (12, 1581480), (15, 1265184), (16, 1186110), (18, 1054320), (20, 948888), (23, 825120), (24, 790740), (27, 702880), (30, 632592), (32, 593055), (36, 527160), (40, 474444), (45, 421728), (46, 412560), (48, 395370), (54, 351440), (60, 316296), (69, 275040), (72, 263580), (80, 237222), (90, 210864), (92, 206280), (96, 197685), (108, 175720), (115, 165024), (120, 158148), (135, 140576), (138, 137520), (144, 131790), (160, 118611), (180, 105432), (184, 103140), (191, 99360), (207, 91680), (216, 87860), (230, 82512), (240, 79074), (270, 70288), (276, 68760), (288, 65895), (345, 55008), (360, 52716), (368, 51570), (382, 49680), (414, 45840), (432, 43930), (460, 41256), (480, 39537), (540, 35144), (552, 34380), (573, 33120), (621, 30560), (690, 27504), (720, 26358), (736, 25785), (764, 24840), (828, 22920), (864, 21965), (920, 20628), (955, 19872), (1035, 18336), (1080, 17572), (1104, 17190), (1146, 16560), (1242, 15280), (1380, 13752), (1440, 13179), (1528, 12420), (1656, 11460), (1719, 11040), (1840, 10314), (1910, 9936), (2070, 9168), (2160, 8786), (2208, 8595), (2292, 8280), (2484, 7640), (2760, 6876), (2865, 6624), (3056, 6210), (3105, 6112), (3312, 5730), (3438, 5520), (3680, 5157), (3820, 4968), (4140, 4584), (4320, 4393)]