18246940

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3469}}^1$

素因数の和:3741

約数の個数: 24

約数和(自身を含む): 38475360

約数和(自身を除く): 20228420

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 3469, 5260, 6938, 13876, 17345, 34690, 69380, 912347, 1824694, 3649388, 4561735, 9123470, 18246940]

約数ペア:

[(1, 18246940), (2, 9123470), (4, 4561735), (5, 3649388), (10, 1824694), (20, 912347), (263, 69380), (526, 34690), (1052, 17345), (1315, 13876), (2630, 6938), (3469, 5260)]