18975726

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13691}}^1$

素因数の和:13717

約数の個数: 48

約数和(自身を含む): 51262848

約数和(自身を除く): 32287122

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 13691, 27382, 41073, 82146, 95837, 123219, 150601, 191674, 246438, 287511, 301202, 451803, 575022, 862533, 903606, 1054207, 1355409, 1725066, 2108414, 2710818, 3162621, 6325242, 9487863, 18975726]

約数ペア:

[(1, 18975726), (2, 9487863), (3, 6325242), (6, 3162621), (7, 2710818), (9, 2108414), (11, 1725066), (14, 1355409), (18, 1054207), (21, 903606), (22, 862533), (33, 575022), (42, 451803), (63, 301202), (66, 287511), (77, 246438), (99, 191674), (126, 150601), (154, 123219), (198, 95837), (231, 82146), (462, 41073), (693, 27382), (1386, 13691)]