72108018

素因数分解:

$2^1\times 3^2\times {\mathrm{4006001}}^1$

素因数の和:4006009

約数の個数: 12

約数和(自身を含む): 156234078

約数和(自身を除く): 84126060

約数列:

[1, 2, 3, 6, 9, 18, 4006001, 8012002, 12018003, 24036006, 36054009, 72108018]

約数ペア:

[(1, 72108018), (2, 36054009), (3, 24036006), (6, 12018003), (9, 8012002), (18, 4006001)]