19842512

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17467}}^1$

素因数の和:17546

約数の個数: 20

約数和(自身を含む): 38988576

約数和(自身を除く): 19146064

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17467, 34934, 69868, 139736, 279472, 1240157, 2480314, 4960628, 9921256, 19842512]

約数ペア:

[(1, 19842512), (2, 9921256), (4, 4960628), (8, 2480314), (16, 1240157), (71, 279472), (142, 139736), (284, 69868), (568, 34934), (1136, 17467)]