19801506

素因数分解:

$2^1\times 3^1\times {\mathrm{211}}^1\times {\mathrm{15641}}^1$

素因数の和:15857

約数の個数: 16

約数和(自身を含む): 39793248

約数和(自身を除く): 19991742

約数列:

[1, 2, 3, 6, 211, 422, 633, 1266, 15641, 31282, 46923, 93846, 3300251, 6600502, 9900753, 19801506]

約数ペア:

[(1, 19801506), (2, 9900753), (3, 6600502), (6, 3300251), (211, 93846), (422, 46923), (633, 31282), (1266, 15641)]