18219826568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{365039}}^1$

素因数の和:365429

約数の個数: 32

約数和(自身を含む): 36270374400

約数和(自身を除く): 18050547832

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 367, 734, 1468, 2936, 6239, 12478, 24956, 49912, 365039, 730078, 1460156, 2920312, 6205663, 12411326, 24822652, 49645304, 133969313, 267938626, 535877252, 1071754504, 2277478321, 4554956642, 9109913284, 18219826568]

約数ペア:

[(1, 18219826568), (2, 9109913284), (4, 4554956642), (8, 2277478321), (17, 1071754504), (34, 535877252), (68, 267938626), (136, 133969313), (367, 49645304), (734, 24822652), (1468, 12411326), (2936, 6205663), (6239, 2920312), (12478, 1460156), (24956, 730078), (49912, 365039)]