1868103920

素因数分解:

$2^4\times 5^1\times {\mathrm{3491}}^1\times {\mathrm{6689}}^1$

素因数の和:10193

約数の個数: 40

約数和(自身を含む): 4345235280

約数和(自身を除く): 2477131360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3491, 6689, 6982, 13378, 13964, 17455, 26756, 27928, 33445, 34910, 53512, 55856, 66890, 69820, 107024, 133780, 139640, 267560, 279280, 535120, 23351299, 46702598, 93405196, 116756495, 186810392, 233512990, 373620784, 467025980, 934051960, 1868103920]

約数ペア:

[(1, 1868103920), (2, 934051960), (4, 467025980), (5, 373620784), (8, 233512990), (10, 186810392), (16, 116756495), (20, 93405196), (40, 46702598), (80, 23351299), (3491, 535120), (6689, 279280), (6982, 267560), (13378, 139640), (13964, 133780), (17455, 107024), (26756, 69820), (27928, 66890), (33445, 55856), (34910, 53512)]