18513840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{77141}}^1$

素因数の和:77157

約数の個数: 40

約数和(自身を含む): 57393648

約数和(自身を除く): 38879808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 77141, 154282, 231423, 308564, 385705, 462846, 617128, 771410, 925692, 1157115, 1234256, 1542820, 1851384, 2314230, 3085640, 3702768, 4628460, 6171280, 9256920, 18513840]

約数ペア:

[(1, 18513840), (2, 9256920), (3, 6171280), (4, 4628460), (5, 3702768), (6, 3085640), (8, 2314230), (10, 1851384), (12, 1542820), (15, 1234256), (16, 1157115), (20, 925692), (24, 771410), (30, 617128), (40, 462846), (48, 385705), (60, 308564), (80, 231423), (120, 154282), (240, 77141)]