18228015

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31159}}^1$

素因数の和:31183

約数の個数: 24

約数和(自身を含む): 34026720

約数和(自身を除く): 15798705

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 31159, 93477, 155795, 280431, 405067, 467385, 1215201, 1402155, 2025335, 3645603, 6076005, 18228015]

約数ペア:

[(1, 18228015), (3, 6076005), (5, 3645603), (9, 2025335), (13, 1402155), (15, 1215201), (39, 467385), (45, 405067), (65, 280431), (117, 155795), (195, 93477), (585, 31159)]