18344420

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8117}}^1$

素因数の和:8239

約数の個数: 24

約数和(自身を含む): 38868984

約数和(自身を除く): 20524564

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8117, 16234, 32468, 40585, 81170, 162340, 917221, 1834442, 3668884, 4586105, 9172210, 18344420]

約数ペア:

[(1, 18344420), (2, 9172210), (4, 4586105), (5, 3668884), (10, 1834442), (20, 917221), (113, 162340), (226, 81170), (452, 40585), (565, 32468), (1130, 16234), (2260, 8117)]