19158458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{6857}}^1$

素因数の和:6997

約数の個数: 16

約数和(自身を含む): 31601664

約数和(自身を除く): 12443206

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 6857, 13714, 75427, 150854, 870839, 1741678, 9579229, 19158458]

約数ペア:

[(1, 19158458), (2, 9579229), (11, 1741678), (22, 870839), (127, 150854), (254, 75427), (1397, 13714), (2794, 6857)]