19862196

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 48384000

約数和(自身を除く): 28521804

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 107, 124, 186, 214, 321, 372, 428, 499, 642, 998, 1284, 1497, 1996, 2994, 3317, 5988, 6634, 9951, 13268, 15469, 19902, 30938, 39804, 46407, 53393, 61876, 92814, 106786, 160179, 185628, 213572, 320358, 640716, 1655183, 3310366, 4965549, 6620732, 9931098, 19862196]

約数ペア:

[(1, 19862196), (2, 9931098), (3, 6620732), (4, 4965549), (6, 3310366), (12, 1655183), (31, 640716), (62, 320358), (93, 213572), (107, 185628), (124, 160179), (186, 106786), (214, 92814), (321, 61876), (372, 53393), (428, 46407), (499, 39804), (642, 30938), (998, 19902), (1284, 15469), (1497, 13268), (1996, 9951), (2994, 6634), (3317, 5988)]