18313840

素因数分解:

$2^4\times 5^1\times {\mathrm{228923}}^1$

素因数の和:228936

約数の個数: 20

約数和(自身を含む): 42579864

約数和(自身を除く): 24266024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 228923, 457846, 915692, 1144615, 1831384, 2289230, 3662768, 4578460, 9156920, 18313840]

約数ペア:

[(1, 18313840), (2, 9156920), (4, 4578460), (5, 3662768), (8, 2289230), (10, 1831384), (16, 1144615), (20, 915692), (40, 457846), (80, 228923)]