19868432

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{20357}}^1$

素因数の和:20426

約数の個数: 20

約数和(自身を含む): 39128076

約数和(自身を除く): 19259644

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 20357, 40714, 81428, 162856, 325712, 1241777, 2483554, 4967108, 9934216, 19868432]

約数ペア:

[(1, 19868432), (2, 9934216), (4, 4967108), (8, 2483554), (16, 1241777), (61, 325712), (122, 162856), (244, 81428), (488, 40714), (976, 20357)]