18947676

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^2$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 50972544

約数和(自身を除く): 32024868

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 79, 92, 132, 138, 158, 237, 253, 276, 316, 474, 506, 759, 869, 948, 1012, 1518, 1738, 1817, 2607, 3036, 3476, 3634, 5214, 5451, 6241, 7268, 10428, 10902, 12482, 18723, 19987, 21804, 24964, 37446, 39974, 59961, 68651, 74892, 79948, 119922, 137302, 143543, 205953, 239844, 274604, 287086, 411906, 430629, 574172, 823812, 861258, 1578973, 1722516, 3157946, 4736919, 6315892, 9473838, 18947676]

約数ペア:

[(1, 18947676), (2, 9473838), (3, 6315892), (4, 4736919), (6, 3157946), (11, 1722516), (12, 1578973), (22, 861258), (23, 823812), (33, 574172), (44, 430629), (46, 411906), (66, 287086), (69, 274604), (79, 239844), (92, 205953), (132, 143543), (138, 137302), (158, 119922), (237, 79948), (253, 74892), (276, 68651), (316, 59961), (474, 39974), (506, 37446), (759, 24964), (869, 21804), (948, 19987), (1012, 18723), (1518, 12482), (1738, 10902), (1817, 10428), (2607, 7268), (3036, 6241), (3476, 5451), (3634, 5214)]