18109165

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 24572160

約数和(自身を除く): 6462995

約数列:

[1, 5, 17, 23, 59, 85, 115, 157, 295, 391, 785, 1003, 1357, 1955, 2669, 3611, 5015, 6785, 9263, 13345, 18055, 23069, 46315, 61387, 115345, 157471, 213049, 306935, 787355, 1065245, 3621833, 18109165]

約数ペア:

[(1, 18109165), (5, 3621833), (17, 1065245), (23, 787355), (59, 306935), (85, 213049), (115, 157471), (157, 115345), (295, 61387), (391, 46315), (785, 23069), (1003, 18055), (1357, 13345), (1955, 9263), (2669, 6785), (3611, 5015)]