18975380

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8867}}^1$

素因数の和:8983

約数の個数: 24

約数和(自身を含む): 40225248

約数和(自身を除く): 21249868

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 8867, 17734, 35468, 44335, 88670, 177340, 948769, 1897538, 3795076, 4743845, 9487690, 18975380]

約数ペア:

[(1, 18975380), (2, 9487690), (4, 4743845), (5, 3795076), (10, 1897538), (20, 948769), (107, 177340), (214, 88670), (428, 44335), (535, 35468), (1070, 17734), (2140, 8867)]