19474812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{709}}^1$

素因数の和:835

約数の個数: 72

約数和(自身を含む): 56856800

約数和(自身を除く): 37381988

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 109, 126, 218, 252, 327, 436, 654, 709, 763, 981, 1308, 1418, 1526, 1962, 2127, 2289, 2836, 3052, 3924, 4254, 4578, 4963, 6381, 6867, 8508, 9156, 9926, 12762, 13734, 14889, 19852, 25524, 27468, 29778, 44667, 59556, 77281, 89334, 154562, 178668, 231843, 309124, 463686, 540967, 695529, 927372, 1081934, 1391058, 1622901, 2163868, 2782116, 3245802, 4868703, 6491604, 9737406, 19474812]

約数ペア:

[(1, 19474812), (2, 9737406), (3, 6491604), (4, 4868703), (6, 3245802), (7, 2782116), (9, 2163868), (12, 1622901), (14, 1391058), (18, 1081934), (21, 927372), (28, 695529), (36, 540967), (42, 463686), (63, 309124), (84, 231843), (109, 178668), (126, 154562), (218, 89334), (252, 77281), (327, 59556), (436, 44667), (654, 29778), (709, 27468), (763, 25524), (981, 19852), (1308, 14889), (1418, 13734), (1526, 12762), (1962, 9926), (2127, 9156), (2289, 8508), (2836, 6867), (3052, 6381), (3924, 4963), (4254, 4578)]