18975040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:264

約数の個数: 112

約数和(自身を含む): 53108352

約数和(自身を除く): 34133312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 140, 160, 172, 197, 215, 224, 280, 301, 320, 344, 394, 430, 448, 560, 602, 688, 788, 860, 985, 1120, 1204, 1376, 1379, 1505, 1576, 1720, 1970, 2240, 2408, 2752, 2758, 3010, 3152, 3440, 3940, 4816, 5516, 6020, 6304, 6880, 6895, 7880, 8471, 9632, 11032, 12040, 12608, 13760, 13790, 15760, 16942, 19264, 22064, 24080, 27580, 31520, 33884, 42355, 44128, 48160, 55160, 59297, 63040, 67768, 84710, 88256, 96320, 110320, 118594, 135536, 169420, 220640, 237188, 271072, 296485, 338840, 441280, 474376, 542144, 592970, 677680, 948752, 1185940, 1355360, 1897504, 2371880, 2710720, 3795008, 4743760, 9487520, 18975040]

約数ペア:

[(1, 18975040), (2, 9487520), (4, 4743760), (5, 3795008), (7, 2710720), (8, 2371880), (10, 1897504), (14, 1355360), (16, 1185940), (20, 948752), (28, 677680), (32, 592970), (35, 542144), (40, 474376), (43, 441280), (56, 338840), (64, 296485), (70, 271072), (80, 237188), (86, 220640), (112, 169420), (140, 135536), (160, 118594), (172, 110320), (197, 96320), (215, 88256), (224, 84710), (280, 67768), (301, 63040), (320, 59297), (344, 55160), (394, 48160), (430, 44128), (448, 42355), (560, 33884), (602, 31520), (688, 27580), (788, 24080), (860, 22064), (985, 19264), (1120, 16942), (1204, 15760), (1376, 13790), (1379, 13760), (1505, 12608), (1576, 12040), (1720, 11032), (1970, 9632), (2240, 8471), (2408, 7880), (2752, 6895), (2758, 6880), (3010, 6304), (3152, 6020), (3440, 5516), (3940, 4816)]