18020220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1289}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 50712480

約数和(自身を除く): 32692260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 233, 466, 699, 932, 1165, 1289, 1398, 2330, 2578, 2796, 3495, 3867, 4660, 5156, 6445, 6990, 7734, 12890, 13980, 15468, 19335, 25780, 38670, 77340, 300337, 600674, 901011, 1201348, 1501685, 1802022, 3003370, 3604044, 4505055, 6006740, 9010110, 18020220]

約数ペア:

[(1, 18020220), (2, 9010110), (3, 6006740), (4, 4505055), (5, 3604044), (6, 3003370), (10, 1802022), (12, 1501685), (15, 1201348), (20, 901011), (30, 600674), (60, 300337), (233, 77340), (466, 38670), (699, 25780), (932, 19335), (1165, 15468), (1289, 13980), (1398, 12890), (2330, 7734), (2578, 6990), (2796, 6445), (3495, 5156), (3867, 4660)]