19738490

素因数分解:

$2^1\times 5^1\times {\mathrm{829}}^1\times {\mathrm{2381}}^1$

素因数の和:3217

約数の個数: 16

約数和(自身を含む): 35587080

約数和(自身を除く): 15848590

約数列:

[1, 2, 5, 10, 829, 1658, 2381, 4145, 4762, 8290, 11905, 23810, 1973849, 3947698, 9869245, 19738490]

約数ペア:

[(1, 19738490), (2, 9869245), (5, 3947698), (10, 1973849), (829, 23810), (1658, 11905), (2381, 8290), (4145, 4762)]