19856336

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{8329}}^1$

素因数の和:8486

約数の個数: 20

約数和(自身を含む): 38734500

約数和(自身を除く): 18878164

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 8329, 16658, 33316, 66632, 133264, 1241021, 2482042, 4964084, 9928168, 19856336]

約数ペア:

[(1, 19856336), (2, 9928168), (4, 4964084), (8, 2482042), (16, 1241021), (149, 133264), (298, 66632), (596, 33316), (1192, 16658), (2384, 8329)]