18285640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6823}}^1$

素因数の和:6901

約数の個数: 32

約数和(自身を含む): 41762880

約数和(自身を除く): 23477240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 6823, 13646, 27292, 34115, 54584, 68230, 136460, 272920, 457141, 914282, 1828564, 2285705, 3657128, 4571410, 9142820, 18285640]

約数ペア:

[(1, 18285640), (2, 9142820), (4, 4571410), (5, 3657128), (8, 2285705), (10, 1828564), (20, 914282), (40, 457141), (67, 272920), (134, 136460), (268, 68230), (335, 54584), (536, 34115), (670, 27292), (1340, 13646), (2680, 6823)]