19746416

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9421}}^1$

素因数の和:9560

約数の個数: 20

約数和(自身を含む): 38554824

約数和(自身を除く): 18808408

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9421, 18842, 37684, 75368, 150736, 1234151, 2468302, 4936604, 9873208, 19746416]

約数ペア:

[(1, 19746416), (2, 9873208), (4, 4936604), (8, 2468302), (16, 1234151), (131, 150736), (262, 75368), (524, 37684), (1048, 18842), (2096, 9421)]