18543860

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11171}}^1$

素因数の和:11263

約数の個数: 24

約数和(自身を含む): 39414816

約数和(自身を除く): 20870956

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 11171, 22342, 44684, 55855, 111710, 223420, 927193, 1854386, 3708772, 4635965, 9271930, 18543860]

約数ペア:

[(1, 18543860), (2, 9271930), (4, 4635965), (5, 3708772), (10, 1854386), (20, 927193), (83, 223420), (166, 111710), (332, 55855), (415, 44684), (830, 22342), (1660, 11171)]