18742668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5189}}^1$

素因数の和:5246

約数の個数: 48

約数和(自身を含む): 51152640

約数和(自身を除く): 32409972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5189, 10378, 15567, 20756, 31134, 36323, 62268, 72646, 108969, 145292, 217938, 223127, 435876, 446254, 669381, 892508, 1338762, 1561889, 2677524, 3123778, 4685667, 6247556, 9371334, 18742668]

約数ペア:

[(1, 18742668), (2, 9371334), (3, 6247556), (4, 4685667), (6, 3123778), (7, 2677524), (12, 1561889), (14, 1338762), (21, 892508), (28, 669381), (42, 446254), (43, 435876), (84, 223127), (86, 217938), (129, 145292), (172, 108969), (258, 72646), (301, 62268), (516, 36323), (602, 31134), (903, 20756), (1204, 15567), (1806, 10378), (3612, 5189)]