18870250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 41513472

約数和(自身を除く): 22643222

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 50, 70, 82, 125, 175, 205, 250, 263, 287, 350, 410, 526, 574, 875, 1025, 1315, 1435, 1750, 1841, 2050, 2630, 2870, 3682, 5125, 6575, 7175, 9205, 10250, 10783, 13150, 14350, 18410, 21566, 32875, 35875, 46025, 53915, 65750, 71750, 75481, 92050, 107830, 150962, 230125, 269575, 377405, 460250, 539150, 754810, 1347875, 1887025, 2695750, 3774050, 9435125, 18870250]

約数ペア:

[(1, 18870250), (2, 9435125), (5, 3774050), (7, 2695750), (10, 1887025), (14, 1347875), (25, 754810), (35, 539150), (41, 460250), (50, 377405), (70, 269575), (82, 230125), (125, 150962), (175, 107830), (205, 92050), (250, 75481), (263, 71750), (287, 65750), (350, 53915), (410, 46025), (526, 35875), (574, 32875), (875, 21566), (1025, 18410), (1315, 14350), (1435, 13150), (1750, 10783), (1841, 10250), (2050, 9205), (2630, 7175), (2870, 6575), (3682, 5125)]