19710558

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{503}}^1$

素因数の和:829

約数の個数: 48

約数和(自身を含む): 49061376

約数和(自身を除く): 29350818

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 311, 503, 622, 933, 1006, 1509, 1866, 2177, 2799, 3018, 3521, 4354, 4527, 5598, 6531, 7042, 9054, 10563, 13062, 19593, 21126, 31689, 39186, 63378, 156433, 312866, 469299, 938598, 1095031, 1407897, 2190062, 2815794, 3285093, 6570186, 9855279, 19710558]

約数ペア:

[(1, 19710558), (2, 9855279), (3, 6570186), (6, 3285093), (7, 2815794), (9, 2190062), (14, 1407897), (18, 1095031), (21, 938598), (42, 469299), (63, 312866), (126, 156433), (311, 63378), (503, 39186), (622, 31689), (933, 21126), (1006, 19593), (1509, 13062), (1866, 10563), (2177, 9054), (2799, 7042), (3018, 6531), (3521, 5598), (4354, 4527)]