18904262

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 32162592

約数和(自身を除く): 13258330

約数列:

[1, 2, 13, 26, 37, 43, 74, 86, 457, 481, 559, 914, 962, 1118, 1591, 3182, 5941, 11882, 16909, 19651, 20683, 33818, 39302, 41366, 219817, 255463, 439634, 510926, 727087, 1454174, 9452131, 18904262]

約数ペア:

[(1, 18904262), (2, 9452131), (13, 1454174), (26, 727087), (37, 510926), (43, 439634), (74, 255463), (86, 219817), (457, 41366), (481, 39302), (559, 33818), (914, 20683), (962, 19651), (1118, 16909), (1591, 11882), (3182, 5941)]