18104643

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{491}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 27860976

約数和(自身を除く): 9756333

約数列:

[1, 3, 9, 17, 51, 153, 241, 491, 723, 1473, 2169, 4097, 4419, 8347, 12291, 25041, 36873, 75123, 118331, 354993, 1064979, 2011627, 6034881, 18104643]

約数ペア:

[(1, 18104643), (3, 6034881), (9, 2011627), (17, 1064979), (51, 354993), (153, 118331), (241, 75123), (491, 36873), (723, 25041), (1473, 12291), (2169, 8347), (4097, 4419)]