19686992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94649}}^1$

素因数の和:94670

約数の個数: 20

約数和(自身を含む): 41078100

約数和(自身を除く): 21391108

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94649, 189298, 378596, 757192, 1230437, 1514384, 2460874, 4921748, 9843496, 19686992]

約数ペア:

[(1, 19686992), (2, 9843496), (4, 4921748), (8, 2460874), (13, 1514384), (16, 1230437), (26, 757192), (52, 378596), (104, 189298), (208, 94649)]