18403871240

素因数分解:

$2^3\times 5^1\times {\mathrm{460096781}}^1$

素因数の和:460096792

約数の個数: 16

約数和(自身を含む): 41408710380

約数和(自身を除く): 23004839140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 460096781, 920193562, 1840387124, 2300483905, 3680774248, 4600967810, 9201935620, 18403871240]

約数ペア:

[(1, 18403871240), (2, 9201935620), (4, 4600967810), (5, 3680774248), (8, 2300483905), (10, 1840387124), (20, 920193562), (40, 460096781)]