18491416

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 35910000

約数和(自身を除く): 17418584

約数列:

[1, 2, 4, 8, 37, 74, 148, 179, 296, 349, 358, 698, 716, 1396, 1432, 2792, 6623, 12913, 13246, 25826, 26492, 51652, 52984, 62471, 103304, 124942, 249884, 499768, 2311427, 4622854, 9245708, 18491416]

約数ペア:

[(1, 18491416), (2, 9245708), (4, 4622854), (8, 2311427), (37, 499768), (74, 249884), (148, 124942), (179, 103304), (296, 62471), (349, 52984), (358, 51652), (698, 26492), (716, 25826), (1396, 13246), (1432, 12913), (2792, 6623)]