18261139

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 20530944

約数和(自身を除く): 2269805

約数列:

[1, 13, 31, 113, 401, 403, 1469, 3503, 5213, 12431, 45313, 45539, 161603, 589069, 1404703, 18261139]

約数ペア:

[(1, 18261139), (13, 1404703), (31, 589069), (113, 161603), (401, 45539), (403, 45313), (1469, 12431), (3503, 5213)]