18991416

素因数分解:

$2^3\times 3^1\times {\mathrm{791309}}^1$

素因数の和:791318

約数の個数: 16

約数和(自身を含む): 47478600

約数和(自身を除く): 28487184

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 791309, 1582618, 2373927, 3165236, 4747854, 6330472, 9495708, 18991416]

約数ペア:

[(1, 18991416), (2, 9495708), (3, 6330472), (4, 4747854), (6, 3165236), (8, 2373927), (12, 1582618), (24, 791309)]