19319814

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 43414800

約数和(自身を除く): 24094986

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 109, 129, 218, 229, 258, 327, 387, 458, 654, 687, 774, 981, 1374, 1962, 2061, 4122, 4687, 9374, 9847, 14061, 19694, 24961, 28122, 29541, 42183, 49922, 59082, 74883, 84366, 88623, 149766, 177246, 224649, 449298, 1073323, 2146646, 3219969, 6439938, 9659907, 19319814]

約数ペア:

[(1, 19319814), (2, 9659907), (3, 6439938), (6, 3219969), (9, 2146646), (18, 1073323), (43, 449298), (86, 224649), (109, 177246), (129, 149766), (218, 88623), (229, 84366), (258, 74883), (327, 59082), (387, 49922), (458, 42183), (654, 29541), (687, 28122), (774, 24961), (981, 19694), (1374, 14061), (1962, 9847), (2061, 9374), (4122, 4687)]