18723706

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{919}}^1$

素因数の和:1149

約数の個数: 16

約数和(自身を含む): 28748160

約数和(自身を除く): 10024454

約数列:

[1, 2, 61, 122, 167, 334, 919, 1838, 10187, 20374, 56059, 112118, 153473, 306946, 9361853, 18723706]

約数ペア:

[(1, 18723706), (2, 9361853), (61, 306946), (122, 153473), (167, 112118), (334, 56059), (919, 20374), (1838, 10187)]