17989419

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2309}}^1$

素因数の和:2379

約数の個数: 24

約数和(自身を含む): 28440720

約数和(自身を除く): 10451301

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2309, 2597, 6927, 7791, 16163, 48489, 113141, 122377, 339423, 367131, 856639, 2569917, 5996473, 17989419]

約数ペア:

[(1, 17989419), (3, 5996473), (7, 2569917), (21, 856639), (49, 367131), (53, 339423), (147, 122377), (159, 113141), (371, 48489), (1113, 16163), (2309, 7791), (2597, 6927)]