1618378002004

素因数分解:

$2^2\times {\mathrm{20431}}^1\times {\mathrm{19802971}}^1$

素因数の和:19823406

約数の個数: 12

約数和(自身を含む): 2832300267328

約数和(自身を除く): 1213922265324

約数列:

[1, 2, 4, 20431, 40862, 81724, 19802971, 39605942, 79211884, 404594500501, 809189001002, 1618378002004]

約数ペア:

[(1, 1618378002004), (2, 809189001002), (4, 404594500501), (20431, 79211884), (40862, 39605942), (81724, 19802971)]