1640791778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{94483}}^1$

素因数の和:94961

約数の個数: 16

約数和(自身を含む): 2596420320

約数和(自身を除く): 955628542

約数列:

[1, 2, 19, 38, 457, 914, 8683, 17366, 94483, 188966, 1795177, 3590354, 43178731, 86357462, 820395889, 1640791778]

約数ペア:

[(1, 1640791778), (2, 820395889), (19, 86357462), (38, 43178731), (457, 3590354), (914, 1795177), (8683, 188966), (17366, 94483)]