18654140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{13921}}^1$

素因数の和:13997

約数の個数: 24

約数和(自身を含む): 39761232

約数和(自身を除く): 21107092

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 13921, 27842, 55684, 69605, 139210, 278420, 932707, 1865414, 3730828, 4663535, 9327070, 18654140]

約数ペア:

[(1, 18654140), (2, 9327070), (4, 4663535), (5, 3730828), (10, 1865414), (20, 932707), (67, 278420), (134, 139210), (268, 69605), (335, 55684), (670, 27842), (1340, 13921)]