18964216

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{35381}}^1$

素因数の和:35454

約数の個数: 16

約数和(自身を含む): 36089640

約数和(自身を除く): 17125424

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 35381, 70762, 141524, 283048, 2370527, 4741054, 9482108, 18964216]

約数ペア:

[(1, 18964216), (2, 9482108), (4, 4741054), (8, 2370527), (67, 283048), (134, 141524), (268, 70762), (536, 35381)]