18811212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{937}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 50426880

約数和(自身を除く): 31615668

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 239, 478, 717, 937, 956, 1434, 1673, 1874, 2811, 2868, 3346, 3748, 5019, 5622, 6559, 6692, 10038, 11244, 13118, 19677, 20076, 26236, 39354, 78708, 223943, 447886, 671829, 895772, 1343658, 1567601, 2687316, 3135202, 4702803, 6270404, 9405606, 18811212]

約数ペア:

[(1, 18811212), (2, 9405606), (3, 6270404), (4, 4702803), (6, 3135202), (7, 2687316), (12, 1567601), (14, 1343658), (21, 895772), (28, 671829), (42, 447886), (84, 223943), (239, 78708), (478, 39354), (717, 26236), (937, 20076), (956, 19677), (1434, 13118), (1673, 11244), (1874, 10038), (2811, 6692), (2868, 6559), (3346, 5622), (3748, 5019)]