18575505

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 35105616

約数和(自身を除く): 16530111

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 113, 117, 195, 281, 339, 565, 585, 843, 1017, 1405, 1469, 1695, 2529, 3653, 4215, 4407, 5085, 7345, 10959, 12645, 13221, 18265, 22035, 31753, 32877, 54795, 66105, 95259, 158765, 164385, 285777, 412789, 476295, 1238367, 1428885, 2063945, 3715101, 6191835, 18575505]

約数ペア:

[(1, 18575505), (3, 6191835), (5, 3715101), (9, 2063945), (13, 1428885), (15, 1238367), (39, 476295), (45, 412789), (65, 285777), (113, 164385), (117, 158765), (195, 95259), (281, 66105), (339, 54795), (565, 32877), (585, 31753), (843, 22035), (1017, 18265), (1405, 13221), (1469, 12645), (1695, 10959), (2529, 7345), (3653, 5085), (4215, 4407)]