19386738

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{613}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 48275136

約数和(自身を除く): 28888398

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 251, 502, 613, 753, 1226, 1506, 1757, 1839, 2259, 3514, 3678, 4291, 4518, 5271, 5517, 8582, 10542, 11034, 12873, 15813, 25746, 31626, 38619, 77238, 153863, 307726, 461589, 923178, 1077041, 1384767, 2154082, 2769534, 3231123, 6462246, 9693369, 19386738]

約数ペア:

[(1, 19386738), (2, 9693369), (3, 6462246), (6, 3231123), (7, 2769534), (9, 2154082), (14, 1384767), (18, 1077041), (21, 923178), (42, 461589), (63, 307726), (126, 153863), (251, 77238), (502, 38619), (613, 31626), (753, 25746), (1226, 15813), (1506, 12873), (1757, 11034), (1839, 10542), (2259, 8582), (3514, 5517), (3678, 5271), (4291, 4518)]