18903380

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{14107}}^1$

素因数の和:14183

約数の個数: 24

約数和(自身を含む): 40292448

約数和(自身を除く): 21389068

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 14107, 28214, 56428, 70535, 141070, 282140, 945169, 1890338, 3780676, 4725845, 9451690, 18903380]

約数ペア:

[(1, 18903380), (2, 9451690), (4, 4725845), (5, 3780676), (10, 1890338), (20, 945169), (67, 282140), (134, 141070), (268, 70535), (335, 56428), (670, 28214), (1340, 14107)]