18637970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{467}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 36324288

約数和(自身を除く): 17686318

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 307, 467, 614, 934, 1535, 2335, 3070, 3991, 4670, 6071, 7982, 12142, 19955, 30355, 39910, 60710, 143369, 286738, 716845, 1433690, 1863797, 3727594, 9318985, 18637970]

約数ペア:

[(1, 18637970), (2, 9318985), (5, 3727594), (10, 1863797), (13, 1433690), (26, 716845), (65, 286738), (130, 143369), (307, 60710), (467, 39910), (614, 30355), (934, 19955), (1535, 12142), (2335, 7982), (3070, 6071), (3991, 4670)]