1888890928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{631}}^1$

素因数の和:930

約数の個数: 80

約数和(自身を含む): 3965420800

約数和(自身を除く): 2076529872

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 229, 304, 344, 458, 631, 688, 817, 916, 1262, 1634, 1832, 2524, 3268, 3664, 4351, 5048, 6536, 8702, 9847, 10096, 11989, 13072, 17404, 19694, 23978, 27133, 34808, 39388, 47956, 54266, 69616, 78776, 95912, 108532, 144499, 157552, 187093, 191824, 217064, 288998, 374186, 434128, 515527, 577996, 748372, 1031054, 1155992, 1496744, 2062108, 2311984, 2745481, 2993488, 4124216, 5490962, 6213457, 8248432, 10981924, 12426914, 21963848, 24853828, 43927696, 49707656, 99415312, 118055683, 236111366, 472222732, 944445464, 1888890928]

約数ペア:

[(1, 1888890928), (2, 944445464), (4, 472222732), (8, 236111366), (16, 118055683), (19, 99415312), (38, 49707656), (43, 43927696), (76, 24853828), (86, 21963848), (152, 12426914), (172, 10981924), (229, 8248432), (304, 6213457), (344, 5490962), (458, 4124216), (631, 2993488), (688, 2745481), (817, 2311984), (916, 2062108), (1262, 1496744), (1634, 1155992), (1832, 1031054), (2524, 748372), (3268, 577996), (3664, 515527), (4351, 434128), (5048, 374186), (6536, 288998), (8702, 217064), (9847, 191824), (10096, 187093), (11989, 157552), (13072, 144499), (17404, 108532), (19694, 95912), (23978, 78776), (27133, 69616), (34808, 54266), (39388, 47956)]