19197780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1063}}^1$

素因数の和:1125

約数の個数: 96

約数和(自身を含む): 62920704

約数和(自身を除く): 43722924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1063, 1204, 1290, 1505, 1806, 2126, 2580, 3010, 3189, 3612, 4252, 4515, 5315, 6020, 6378, 7441, 9030, 10630, 12756, 14882, 15945, 18060, 21260, 22323, 29764, 31890, 37205, 44646, 45709, 63780, 74410, 89292, 91418, 111615, 137127, 148820, 182836, 223230, 228545, 274254, 319963, 446460, 457090, 548508, 639926, 685635, 914180, 959889, 1279852, 1371270, 1599815, 1919778, 2742540, 3199630, 3839556, 4799445, 6399260, 9598890, 19197780]

約数ペア:

[(1, 19197780), (2, 9598890), (3, 6399260), (4, 4799445), (5, 3839556), (6, 3199630), (7, 2742540), (10, 1919778), (12, 1599815), (14, 1371270), (15, 1279852), (20, 959889), (21, 914180), (28, 685635), (30, 639926), (35, 548508), (42, 457090), (43, 446460), (60, 319963), (70, 274254), (84, 228545), (86, 223230), (105, 182836), (129, 148820), (140, 137127), (172, 111615), (210, 91418), (215, 89292), (258, 74410), (301, 63780), (420, 45709), (430, 44646), (516, 37205), (602, 31890), (645, 29764), (860, 22323), (903, 21260), (1063, 18060), (1204, 15945), (1290, 14882), (1505, 12756), (1806, 10630), (2126, 9030), (2580, 7441), (3010, 6378), (3189, 6020), (3612, 5315), (4252, 4515)]