19187420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2797}}^1$

素因数の和:2827

約数の個数: 48

約数和(自身を含む): 47006400

約数和(自身を除く): 27818980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2797, 3430, 5594, 6860, 11188, 13985, 19579, 27970, 39158, 55940, 78316, 97895, 137053, 195790, 274106, 391580, 548212, 685265, 959371, 1370530, 1918742, 2741060, 3837484, 4796855, 9593710, 19187420]

約数ペア:

[(1, 19187420), (2, 9593710), (4, 4796855), (5, 3837484), (7, 2741060), (10, 1918742), (14, 1370530), (20, 959371), (28, 685265), (35, 548212), (49, 391580), (70, 274106), (98, 195790), (140, 137053), (196, 97895), (245, 78316), (343, 55940), (490, 39158), (686, 27970), (980, 19579), (1372, 13985), (1715, 11188), (2797, 6860), (3430, 5594)]