18013812

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 26801868

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 227, 389, 454, 681, 778, 908, 1167, 1362, 1556, 2334, 2724, 3859, 4668, 6613, 7718, 11577, 13226, 15436, 19839, 23154, 26452, 39678, 46308, 79356, 88303, 176606, 264909, 353212, 529818, 1059636, 1501151, 3002302, 4503453, 6004604, 9006906, 18013812]

約数ペア:

[(1, 18013812), (2, 9006906), (3, 6004604), (4, 4503453), (6, 3002302), (12, 1501151), (17, 1059636), (34, 529818), (51, 353212), (68, 264909), (102, 176606), (204, 88303), (227, 79356), (389, 46308), (454, 39678), (681, 26452), (778, 23154), (908, 19839), (1167, 15436), (1362, 13226), (1556, 11577), (2334, 7718), (2724, 6613), (3859, 4668)]