218183772

素因数分解:

$2^2\times 3^1\times {\mathrm{18181981}}^1$

素因数の和:18181988

約数の個数: 12

約数和(自身を含む): 509095496

約数和(自身を除く): 290911724

約数列:

[1, 2, 3, 4, 6, 12, 18181981, 36363962, 54545943, 72727924, 109091886, 218183772]

約数ペア:

[(1, 218183772), (2, 109091886), (3, 72727924), (4, 54545943), (6, 36363962), (12, 18181981)]