18738518

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1\times {\mathrm{419}}^1$

素因数の和:859

約数の個数: 16

約数和(自身を含む): 28728000

約数和(自身を除く): 9989482

約数列:

[1, 2, 59, 118, 379, 419, 758, 838, 22361, 24721, 44722, 49442, 158801, 317602, 9369259, 18738518]

約数ペア:

[(1, 18738518), (2, 9369259), (59, 317602), (118, 158801), (379, 49442), (419, 44722), (758, 24721), (838, 22361)]