18009328

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{12647}}^1$

素因数の和:12744

約数の個数: 20

約数和(自身を含む): 35287920

約数和(自身を除く): 17278592

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 12647, 25294, 50588, 101176, 202352, 1125583, 2251166, 4502332, 9004664, 18009328]

約数ペア:

[(1, 18009328), (2, 9004664), (4, 4502332), (8, 2251166), (16, 1125583), (89, 202352), (178, 101176), (356, 50588), (712, 25294), (1424, 12647)]