18781234

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{8377}}^1$

素因数の和:8457

約数の個数: 16

約数和(自身を含む): 30160800

約数和(自身を除く): 11379566

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 8377, 16754, 159163, 318326, 494243, 988486, 9390617, 18781234]

約数ペア:

[(1, 18781234), (2, 9390617), (19, 988486), (38, 494243), (59, 318326), (118, 159163), (1121, 16754), (2242, 8377)]