18315804

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{857}}^1$

素因数の和:1014

約数の個数: 48

約数和(自身を含む): 46414368

約数和(自身を除く): 28098564

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 137, 156, 274, 411, 548, 822, 857, 1644, 1714, 1781, 2571, 3428, 3562, 5142, 5343, 7124, 10284, 10686, 11141, 21372, 22282, 33423, 44564, 66846, 117409, 133692, 234818, 352227, 469636, 704454, 1408908, 1526317, 3052634, 4578951, 6105268, 9157902, 18315804]

約数ペア:

[(1, 18315804), (2, 9157902), (3, 6105268), (4, 4578951), (6, 3052634), (12, 1526317), (13, 1408908), (26, 704454), (39, 469636), (52, 352227), (78, 234818), (137, 133692), (156, 117409), (274, 66846), (411, 44564), (548, 33423), (822, 22282), (857, 21372), (1644, 11141), (1714, 10686), (1781, 10284), (2571, 7124), (3428, 5343), (3562, 5142)]