16888180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27239}}^1$

素因数の和:27279

約数の個数: 24

約数和(自身を含む): 36610560

約数和(自身を除く): 19722380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 27239, 54478, 108956, 136195, 272390, 544780, 844409, 1688818, 3377636, 4222045, 8444090, 16888180]

約数ペア:

[(1, 16888180), (2, 8444090), (4, 4222045), (5, 3377636), (10, 1688818), (20, 844409), (31, 544780), (62, 272390), (124, 136195), (155, 108956), (310, 54478), (620, 27239)]