18411698

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:721

約数の個数: 16

約数和(自身を含む): 28062720

約数和(自身を除く): 9651022

約数列:

[1, 2, 127, 173, 254, 346, 419, 838, 21971, 43942, 53213, 72487, 106426, 144974, 9205849, 18411698]

約数ペア:

[(1, 18411698), (2, 9205849), (127, 144974), (173, 106426), (254, 72487), (346, 53213), (419, 43942), (838, 21971)]