18880974740

素因数分解:

$2^2\times 5^1\times {\mathrm{2293}}^1\times {\mathrm{411709}}^1$

素因数の和:414011

約数の個数: 24

約数和(自身を含む): 39667435080

約数和(自身を除く): 20786460340

約数列:

[1, 2, 4, 5, 10, 20, 2293, 4586, 9172, 11465, 22930, 45860, 411709, 823418, 1646836, 2058545, 4117090, 8234180, 944048737, 1888097474, 3776194948, 4720243685, 9440487370, 18880974740]

約数ペア:

[(1, 18880974740), (2, 9440487370), (4, 4720243685), (5, 3776194948), (10, 1888097474), (20, 944048737), (2293, 8234180), (4586, 4117090), (9172, 2058545), (11465, 1646836), (22930, 823418), (45860, 411709)]