4157390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21881}}^1$

素因数の和:21907

約数の個数: 16

約数和(自身を含む): 7877520

約数和(自身を除く): 3720130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 21881, 43762, 109405, 218810, 415739, 831478, 2078695, 4157390]

約数ペア:

[(1, 4157390), (2, 2078695), (5, 831478), (10, 415739), (19, 218810), (38, 109405), (95, 43762), (190, 21881)]