18472217

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 20509200

約数和(自身を除く): 2036983

約数列:

[1, 17, 29, 89, 421, 493, 1513, 2581, 7157, 12209, 37469, 43877, 207553, 636973, 1086601, 18472217]

約数ペア:

[(1, 18472217), (17, 1086601), (29, 636973), (89, 207553), (421, 43877), (493, 37469), (1513, 12209), (2581, 7157)]