18228250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{4289}}^1$

素因数の和:4323

約数の個数: 32

約数和(自身を含む): 36138960

約数和(自身を除く): 17910710

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 4289, 8578, 21445, 42890, 72913, 107225, 145826, 214450, 364565, 536125, 729130, 1072250, 1822825, 3645650, 9114125, 18228250]

約数ペア:

[(1, 18228250), (2, 9114125), (5, 3645650), (10, 1822825), (17, 1072250), (25, 729130), (34, 536125), (50, 364565), (85, 214450), (125, 145826), (170, 107225), (250, 72913), (425, 42890), (850, 21445), (2125, 8578), (4250, 4289)]