18822910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{421}}^1$

素因数の和:708

約数の個数: 32

約数和(自身を含む): 36096192

約数和(自身を除く): 17273282

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 263, 421, 526, 842, 1315, 2105, 2630, 4210, 4471, 7157, 8942, 14314, 22355, 35785, 44710, 71570, 110723, 221446, 553615, 1107230, 1882291, 3764582, 9411455, 18822910]

約数ペア:

[(1, 18822910), (2, 9411455), (5, 3764582), (10, 1882291), (17, 1107230), (34, 553615), (85, 221446), (170, 110723), (263, 71570), (421, 44710), (526, 35785), (842, 22355), (1315, 14314), (2105, 8942), (2630, 7157), (4210, 4471)]