18808138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{8389}}^1$

素因数の和:8469

約数の個数: 16

約数和(自身を含む): 30204000

約数和(自身を除く): 11395862

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 8389, 16778, 159391, 318782, 494951, 989902, 9404069, 18808138]

約数ペア:

[(1, 18808138), (2, 9404069), (19, 989902), (38, 494951), (59, 318782), (118, 159391), (1121, 16778), (2242, 8389)]