18478968

素因数分解:

$2^3\times 3^1\times {\mathrm{499}}^1\times {\mathrm{1543}}^1$

素因数の和:2051

約数の個数: 32

約数和(自身を含む): 46320000

約数和(自身を除く): 27841032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 499, 998, 1497, 1543, 1996, 2994, 3086, 3992, 4629, 5988, 6172, 9258, 11976, 12344, 18516, 37032, 769957, 1539914, 2309871, 3079828, 4619742, 6159656, 9239484, 18478968]

約数ペア:

[(1, 18478968), (2, 9239484), (3, 6159656), (4, 4619742), (6, 3079828), (8, 2309871), (12, 1539914), (24, 769957), (499, 37032), (998, 18516), (1497, 12344), (1543, 11976), (1996, 9258), (2994, 6172), (3086, 5988), (3992, 4629)]