17930540

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{13381}}^1$

素因数の和:13457

約数の個数: 24

約数和(自身を含む): 38218992

約数和(自身を除く): 20288452

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 13381, 26762, 53524, 66905, 133810, 267620, 896527, 1793054, 3586108, 4482635, 8965270, 17930540]

約数ペア:

[(1, 17930540), (2, 8965270), (4, 4482635), (5, 3586108), (10, 1793054), (20, 896527), (67, 267620), (134, 133810), (268, 66905), (335, 53524), (670, 26762), (1340, 13381)]