18878145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{677}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 35733312

約数和(自身を除く): 16855167

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 169, 195, 429, 507, 677, 715, 845, 1859, 2031, 2145, 2535, 3385, 5577, 7447, 8801, 9295, 10155, 22341, 26403, 27885, 37235, 44005, 96811, 111705, 114413, 132015, 290433, 343239, 484055, 572065, 1258543, 1452165, 1716195, 3775629, 6292715, 18878145]

約数ペア:

[(1, 18878145), (3, 6292715), (5, 3775629), (11, 1716195), (13, 1452165), (15, 1258543), (33, 572065), (39, 484055), (55, 343239), (65, 290433), (143, 132015), (165, 114413), (169, 111705), (195, 96811), (429, 44005), (507, 37235), (677, 27885), (715, 26403), (845, 22341), (1859, 10155), (2031, 9295), (2145, 8801), (2535, 7447), (3385, 5577)]