18153920

素因数分解:

$2^6\times 5^1\times {\mathrm{56731}}^1$

素因数の和:56748

約数の個数: 28

約数和(自身を含む): 43229784

約数和(自身を除く): 25075864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 56731, 113462, 226924, 283655, 453848, 567310, 907696, 1134620, 1815392, 2269240, 3630784, 4538480, 9076960, 18153920]

約数ペア:

[(1, 18153920), (2, 9076960), (4, 4538480), (5, 3630784), (8, 2269240), (10, 1815392), (16, 1134620), (20, 907696), (32, 567310), (40, 453848), (64, 283655), (80, 226924), (160, 113462), (320, 56731)]