18673390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3389}}^1$

素因数の和:3444

約数の個数: 32

約数和(自身を含む): 36612000

約数和(自身を除く): 17938610

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 3389, 5510, 6778, 16945, 33890, 64391, 98281, 128782, 196562, 321955, 491405, 643910, 982810, 1867339, 3734678, 9336695, 18673390]

約数ペア:

[(1, 18673390), (2, 9336695), (5, 3734678), (10, 1867339), (19, 982810), (29, 643910), (38, 491405), (58, 321955), (95, 196562), (145, 128782), (190, 98281), (290, 64391), (551, 33890), (1102, 16945), (2755, 6778), (3389, 5510)]