19687564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{22271}}^1$

素因数の和:22305

約数の個数: 24

約数和(自身を含む): 39287808

約数和(自身を除く): 19600244

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 22271, 44542, 89084, 289523, 378607, 579046, 757214, 1158092, 1514428, 4921891, 9843782, 19687564]

約数ペア:

[(1, 19687564), (2, 9843782), (4, 4921891), (13, 1514428), (17, 1158092), (26, 757214), (34, 579046), (52, 378607), (68, 289523), (221, 89084), (442, 44542), (884, 22271)]