18860805

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{18223}}^1$

素因数の和:18257

約数の個数: 24

約数和(自身を含む): 34115328

約数和(自身を除く): 15254523

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 18223, 54669, 91115, 164007, 273345, 419129, 820035, 1257387, 2095645, 3772161, 6286935, 18860805]

約数ペア:

[(1, 18860805), (3, 6286935), (5, 3772161), (9, 2095645), (15, 1257387), (23, 820035), (45, 419129), (69, 273345), (115, 164007), (207, 91115), (345, 54669), (1035, 18223)]