18370256

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:339

約数の個数: 40

約数和(自身を含む): 36676224

約数和(自身を除く): 18305968

約数列:

[1, 2, 4, 8, 16, 71, 103, 142, 157, 206, 284, 314, 412, 568, 628, 824, 1136, 1256, 1648, 2512, 7313, 11147, 14626, 16171, 22294, 29252, 32342, 44588, 58504, 64684, 89176, 117008, 129368, 178352, 258736, 1148141, 2296282, 4592564, 9185128, 18370256]

約数ペア:

[(1, 18370256), (2, 9185128), (4, 4592564), (8, 2296282), (16, 1148141), (71, 258736), (103, 178352), (142, 129368), (157, 117008), (206, 89176), (284, 64684), (314, 58504), (412, 44588), (568, 32342), (628, 29252), (824, 22294), (1136, 16171), (1256, 14626), (1648, 11147), (2512, 7313)]