18083260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 41249376

約数和(自身を除く): 23166116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 443, 628, 785, 886, 1570, 1772, 2041, 2215, 3140, 4082, 4430, 5759, 8164, 8860, 10205, 11518, 20410, 23036, 28795, 40820, 57590, 69551, 115180, 139102, 278204, 347755, 695510, 904163, 1391020, 1808326, 3616652, 4520815, 9041630, 18083260]

約数ペア:

[(1, 18083260), (2, 9041630), (4, 4520815), (5, 3616652), (10, 1808326), (13, 1391020), (20, 904163), (26, 695510), (52, 347755), (65, 278204), (130, 139102), (157, 115180), (260, 69551), (314, 57590), (443, 40820), (628, 28795), (785, 23036), (886, 20410), (1570, 11518), (1772, 10205), (2041, 8860), (2215, 8164), (3140, 5759), (4082, 4430)]