18413556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{983}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 49373184

約数和(自身を除く): 30959628

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 223, 446, 669, 892, 983, 1338, 1561, 1966, 2676, 2949, 3122, 3932, 4683, 5898, 6244, 6881, 9366, 11796, 13762, 18732, 20643, 27524, 41286, 82572, 219209, 438418, 657627, 876836, 1315254, 1534463, 2630508, 3068926, 4603389, 6137852, 9206778, 18413556]

約数ペア:

[(1, 18413556), (2, 9206778), (3, 6137852), (4, 4603389), (6, 3068926), (7, 2630508), (12, 1534463), (14, 1315254), (21, 876836), (28, 657627), (42, 438418), (84, 219209), (223, 82572), (446, 41286), (669, 27524), (892, 20643), (983, 18732), (1338, 13762), (1561, 11796), (1966, 9366), (2676, 6881), (2949, 6244), (3122, 5898), (3932, 4683)]