18212870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4831}}^1$

素因数の和:4880

約数の個数: 32

約数和(自身を含む): 36529920

約数和(自身を除く): 18317050

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 4831, 9662, 24155, 48310, 62803, 125606, 140099, 280198, 314015, 628030, 700495, 1400990, 1821287, 3642574, 9106435, 18212870]

約数ペア:

[(1, 18212870), (2, 9106435), (5, 3642574), (10, 1821287), (13, 1400990), (26, 700495), (29, 628030), (58, 314015), (65, 280198), (130, 140099), (145, 125606), (290, 62803), (377, 48310), (754, 24155), (1885, 9662), (3770, 4831)]