19210280

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2683}}^1$

素因数の和:2873

約数の個数: 32

約数和(自身を含む): 43480800

約数和(自身を除く): 24270520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 2683, 3580, 5366, 7160, 10732, 13415, 21464, 26830, 53660, 107320, 480257, 960514, 1921028, 2401285, 3842056, 4802570, 9605140, 19210280]

約数ペア:

[(1, 19210280), (2, 9605140), (4, 4802570), (5, 3842056), (8, 2401285), (10, 1921028), (20, 960514), (40, 480257), (179, 107320), (358, 53660), (716, 26830), (895, 21464), (1432, 13415), (1790, 10732), (2683, 7160), (3580, 5366)]