18895740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10159}}^1$

素因数の和:10202

約数の個数: 48

約数和(自身を含む): 54620160

約数和(自身を除く): 35724420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10159, 20318, 30477, 40636, 50795, 60954, 101590, 121908, 152385, 203180, 304770, 314929, 609540, 629858, 944787, 1259716, 1574645, 1889574, 3149290, 3779148, 4723935, 6298580, 9447870, 18895740]

約数ペア:

[(1, 18895740), (2, 9447870), (3, 6298580), (4, 4723935), (5, 3779148), (6, 3149290), (10, 1889574), (12, 1574645), (15, 1259716), (20, 944787), (30, 629858), (31, 609540), (60, 314929), (62, 304770), (93, 203180), (124, 152385), (155, 121908), (186, 101590), (310, 60954), (372, 50795), (465, 40636), (620, 30477), (930, 20318), (1860, 10159)]