18009808

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{1129}}^1$

素因数の和:2134

約数の個数: 20

約数和(自身を含む): 34959940

約数和(自身を除く): 16950132

約数列:

[1, 2, 4, 8, 16, 997, 1129, 1994, 2258, 3988, 4516, 7976, 9032, 15952, 18064, 1125613, 2251226, 4502452, 9004904, 18009808]

約数ペア:

[(1, 18009808), (2, 9004904), (4, 4502452), (8, 2251226), (16, 1125613), (997, 18064), (1129, 15952), (1994, 9032), (2258, 7976), (3988, 4516)]