19453884

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 46569600

約数和(自身を除く): 27115716

約数列:

[1, 2, 3, 4, 6, 12, 107, 109, 139, 214, 218, 278, 321, 327, 417, 428, 436, 556, 642, 654, 834, 1284, 1308, 1668, 11663, 14873, 15151, 23326, 29746, 30302, 34989, 44619, 45453, 46652, 59492, 60604, 69978, 89238, 90906, 139956, 178476, 181812, 1621157, 3242314, 4863471, 6484628, 9726942, 19453884]

約数ペア:

[(1, 19453884), (2, 9726942), (3, 6484628), (4, 4863471), (6, 3242314), (12, 1621157), (107, 181812), (109, 178476), (139, 139956), (214, 90906), (218, 89238), (278, 69978), (321, 60604), (327, 59492), (417, 46652), (428, 45453), (436, 44619), (556, 34989), (642, 30302), (654, 29746), (834, 23326), (1284, 15151), (1308, 14873), (1668, 11663)]