19645842

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 40310784

約数和(自身を除く): 20664942

約数列:

[1, 2, 3, 6, 71, 107, 142, 213, 214, 321, 426, 431, 642, 862, 1293, 2586, 7597, 15194, 22791, 30601, 45582, 46117, 61202, 91803, 92234, 138351, 183606, 276702, 3274307, 6548614, 9822921, 19645842]

約数ペア:

[(1, 19645842), (2, 9822921), (3, 6548614), (6, 3274307), (71, 276702), (107, 183606), (142, 138351), (213, 92234), (214, 91803), (321, 61202), (426, 46117), (431, 45582), (642, 30601), (862, 22791), (1293, 15194), (2586, 7597)]