19378036

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{112663}}^1$

素因数の和:112710

約数の個数: 12

約数和(自身を含む): 34700512

約数和(自身を除く): 15322476

約数列:

[1, 2, 4, 43, 86, 172, 112663, 225326, 450652, 4844509, 9689018, 19378036]

約数ペア:

[(1, 19378036), (2, 9689018), (4, 4844509), (43, 450652), (86, 225326), (172, 112663)]