19955522416

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17566481}}^1$

素因数の和:17566560

約数の個数: 20

約数和(自身を含む): 39208387824

約数和(自身を除く): 19252865408

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17566481, 35132962, 70265924, 140531848, 281063696, 1247220151, 2494440302, 4988880604, 9977761208, 19955522416]

約数ペア:

[(1, 19955522416), (2, 9977761208), (4, 4988880604), (8, 2494440302), (16, 1247220151), (71, 281063696), (142, 140531848), (284, 70265924), (568, 35132962), (1136, 17566481)]