18218996968

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{7880189}}^1$

素因数の和:7880229

約数の個数: 24

約数和(自身を含む): 36288274950

約数和(自身を除く): 18069277982

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 7880189, 15760378, 31520756, 63041512, 133963213, 267926426, 535852852, 1071705704, 2277374621, 4554749242, 9109498484, 18218996968]

約数ペア:

[(1, 18218996968), (2, 9109498484), (4, 4554749242), (8, 2277374621), (17, 1071705704), (34, 535852852), (68, 267926426), (136, 133963213), (289, 63041512), (578, 31520756), (1156, 15760378), (2312, 7880189)]