18859490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{607}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 17912350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 239, 478, 607, 1195, 1214, 2390, 3035, 3107, 6070, 6214, 7891, 15535, 15782, 31070, 39455, 78910, 145073, 290146, 725365, 1450730, 1885949, 3771898, 9429745, 18859490]

約数ペア:

[(1, 18859490), (2, 9429745), (5, 3771898), (10, 1885949), (13, 1450730), (26, 725365), (65, 290146), (130, 145073), (239, 78910), (478, 39455), (607, 31070), (1195, 15782), (1214, 15535), (2390, 7891), (3035, 6214), (3107, 6070)]