18227835

素因数分解:

$3^4\times 5^1\times {\mathrm{45007}}^1$

素因数の和:45024

約数の個数: 20

約数和(自身を含む): 32675808

約数和(自身を除く): 14447973

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 45007, 135021, 225035, 405063, 675105, 1215189, 2025315, 3645567, 6075945, 18227835]

約数ペア:

[(1, 18227835), (3, 6075945), (5, 3645567), (9, 2025315), (15, 1215189), (27, 675105), (45, 405063), (81, 225035), (135, 135021), (405, 45007)]