18606415

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 25583040

約数和(自身を除く): 6976625

約数列:

[1, 5, 17, 19, 41, 85, 95, 205, 281, 323, 697, 779, 1405, 1615, 3485, 3895, 4777, 5339, 11521, 13243, 23885, 26695, 57605, 66215, 90763, 195857, 218899, 453815, 979285, 1094495, 3721283, 18606415]

約数ペア:

[(1, 18606415), (5, 3721283), (17, 1094495), (19, 979285), (41, 453815), (85, 218899), (95, 195857), (205, 90763), (281, 66215), (323, 57605), (697, 26695), (779, 23885), (1405, 13243), (1615, 11521), (3485, 5339), (3895, 4777)]