18936660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10181}}^1$

素因数の和:10224

約数の個数: 48

約数和(自身を含む): 54738432

約数和(自身を除く): 35801772

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, 10181, 20362, 30543, 40724, 50905, 61086, 101810, 122172, 152715, 203620, 305430, 315611, 610860, 631222, 946833, 1262444, 1578055, 1893666, 3156110, 3787332, 4734165, 6312220, 9468330, 18936660]

約数ペア:

[(1, 18936660), (2, 9468330), (3, 6312220), (4, 4734165), (5, 3787332), (6, 3156110), (10, 1893666), (12, 1578055), (15, 1262444), (20, 946833), (30, 631222), (31, 610860), (60, 315611), (62, 305430), (93, 203620), (124, 152715), (155, 122172), (186, 101810), (310, 61086), (372, 50905), (465, 40724), (620, 30543), (930, 20362), (1860, 10181)]