19965694

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1597}}^1$

素因数の和:1672

約数の個数: 32

約数和(自身を含む): 36817920

約数和(自身を除く): 16852226

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 266, 329, 658, 893, 1597, 1786, 3194, 6251, 11179, 12502, 22358, 30343, 60686, 75059, 150118, 212401, 424802, 525413, 1050826, 1426121, 2852242, 9982847, 19965694]

約数ペア:

[(1, 19965694), (2, 9982847), (7, 2852242), (14, 1426121), (19, 1050826), (38, 525413), (47, 424802), (94, 212401), (133, 150118), (266, 75059), (329, 60686), (658, 30343), (893, 22358), (1597, 12502), (1786, 11179), (3194, 6251)]