18240633

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{9791}}^1$

素因数の和:9826

約数の個数: 20

約数和(自身を含む): 28435968

約数和(自身を除く): 10195335

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 9791, 29373, 88119, 225193, 264357, 675579, 793071, 2026737, 6080211, 18240633]

約数ペア:

[(1, 18240633), (3, 6080211), (9, 2026737), (23, 793071), (27, 675579), (69, 264357), (81, 225193), (207, 88119), (621, 29373), (1863, 9791)]