19266580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{521}}^1$

素因数の和:616

約数の個数: 36

約数和(自身を含む): 41502132

約数和(自身を除く): 22235552

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 521, 860, 1042, 1849, 2084, 2605, 3698, 5210, 7396, 9245, 10420, 18490, 22403, 36980, 44806, 89612, 112015, 224030, 448060, 963329, 1926658, 3853316, 4816645, 9633290, 19266580]

約数ペア:

[(1, 19266580), (2, 9633290), (4, 4816645), (5, 3853316), (10, 1926658), (20, 963329), (43, 448060), (86, 224030), (172, 112015), (215, 89612), (430, 44806), (521, 36980), (860, 22403), (1042, 18490), (1849, 10420), (2084, 9245), (2605, 7396), (3698, 5210)]