18871605

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{14461}}^1$

素因数の和:14501

約数の個数: 24

約数和(自身を含む): 33841080

約数和(自身を除く): 14969475

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 14461, 43383, 72305, 130149, 216915, 419369, 650745, 1258107, 2096845, 3774321, 6290535, 18871605]

約数ペア:

[(1, 18871605), (3, 6290535), (5, 3774321), (9, 2096845), (15, 1258107), (29, 650745), (45, 419369), (87, 216915), (145, 130149), (261, 72305), (435, 43383), (1305, 14461)]