19789496

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{145511}}^1$

素因数の和:145534

約数の個数: 16

約数和(自身を含む): 39288240

約数和(自身を除く): 19498744

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 145511, 291022, 582044, 1164088, 2473687, 4947374, 9894748, 19789496]

約数ペア:

[(1, 19789496), (2, 9894748), (4, 4947374), (8, 2473687), (17, 1164088), (34, 582044), (68, 291022), (136, 145511)]