18221340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{303689}}^1$

素因数の和:303701

約数の個数: 24

約数和(自身を含む): 51019920

約数和(自身を除く): 32798580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 303689, 607378, 911067, 1214756, 1518445, 1822134, 3036890, 3644268, 4555335, 6073780, 9110670, 18221340]

約数ペア:

[(1, 18221340), (2, 9110670), (3, 6073780), (4, 4555335), (5, 3644268), (6, 3036890), (10, 1822134), (12, 1518445), (15, 1214756), (20, 911067), (30, 607378), (60, 303689)]