19716693

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1\times {\mathrm{421}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 26859456

約数和(自身を除く): 7142763

約数列:

[1, 3, 67, 201, 233, 421, 699, 1263, 15611, 28207, 46833, 84621, 98093, 294279, 6572231, 19716693]

約数ペア:

[(1, 19716693), (3, 6572231), (67, 294279), (201, 98093), (233, 84621), (421, 46833), (699, 28207), (1263, 15611)]