19739382621

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{492389}}^1$

素因数の和:492505

約数の個数: 32

約数和(自身を含む): 31765063680

約数和(自身を除く): 12025681059

約数列:

[1, 3, 7, 21, 23, 69, 83, 161, 249, 483, 581, 1743, 1909, 5727, 13363, 40089, 492389, 1477167, 3446723, 10340169, 11324947, 33974841, 40868287, 79274629, 122604861, 237823887, 286078009, 858234027, 939970601, 2819911803, 6579794207, 19739382621]

約数ペア:

[(1, 19739382621), (3, 6579794207), (7, 2819911803), (21, 939970601), (23, 858234027), (69, 286078009), (83, 237823887), (161, 122604861), (249, 79274629), (483, 40868287), (581, 33974841), (1743, 11324947), (1909, 10340169), (5727, 3446723), (13363, 1477167), (40089, 492389)]