19616272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94309}}^1$

素因数の和:94330

約数の個数: 20

約数和(自身を含む): 40930540

約数和(自身を除く): 21314268

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94309, 188618, 377236, 754472, 1226017, 1508944, 2452034, 4904068, 9808136, 19616272]

約数ペア:

[(1, 19616272), (2, 9808136), (4, 4904068), (8, 2452034), (13, 1508944), (16, 1226017), (26, 754472), (52, 377236), (104, 188618), (208, 94309)]