18311320

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6271}}^1$

素因数の和:6355

約数の個数: 32

約数和(自身を含む): 41771520

約数和(自身を除く): 23460200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6271, 12542, 25084, 31355, 50168, 62710, 125420, 250840, 457783, 915566, 1831132, 2288915, 3662264, 4577830, 9155660, 18311320]

約数ペア:

[(1, 18311320), (2, 9155660), (4, 4577830), (5, 3662264), (8, 2288915), (10, 1831132), (20, 915566), (40, 457783), (73, 250840), (146, 125420), (292, 62710), (365, 50168), (584, 31355), (730, 25084), (1460, 12542), (2920, 6271)]