18132855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 32887296

約数和(自身を除く): 14754441

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 169, 195, 299, 311, 345, 507, 845, 897, 933, 1495, 1555, 2535, 3887, 4043, 4485, 4665, 7153, 11661, 12129, 19435, 20215, 21459, 35765, 52559, 58305, 60645, 92989, 107295, 157677, 262795, 278967, 464945, 788385, 1208857, 1394835, 3626571, 6044285, 18132855]

約数ペア:

[(1, 18132855), (3, 6044285), (5, 3626571), (13, 1394835), (15, 1208857), (23, 788385), (39, 464945), (65, 278967), (69, 262795), (115, 157677), (169, 107295), (195, 92989), (299, 60645), (311, 58305), (345, 52559), (507, 35765), (845, 21459), (897, 20215), (933, 19435), (1495, 12129), (1555, 11661), (2535, 7153), (3887, 4665), (4043, 4485)]