18885386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23431}}^1$

素因数の和:23477

約数の個数: 16

約数和(自身を含む): 31492608

約数和(自身を除く): 12607222

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 23431, 46862, 304603, 609206, 726361, 1452722, 9442693, 18885386]

約数ペア:

[(1, 18885386), (2, 9442693), (13, 1452722), (26, 726361), (31, 609206), (62, 304603), (403, 46862), (806, 23431)]