18720414

素因数分解:

$2^1\times 3^2\times {\mathrm{359}}^1\times {\mathrm{2897}}^1$

素因数の和:3264

約数の個数: 24

約数和(自身を含む): 40687920

約数和(自身を除く): 21967506

約数列:

[1, 2, 3, 6, 9, 18, 359, 718, 1077, 2154, 2897, 3231, 5794, 6462, 8691, 17382, 26073, 52146, 1040023, 2080046, 3120069, 6240138, 9360207, 18720414]

約数ペア:

[(1, 18720414), (2, 9360207), (3, 6240138), (6, 3120069), (9, 2080046), (18, 1040023), (359, 52146), (718, 26073), (1077, 17382), (2154, 8691), (2897, 6462), (3231, 5794)]