12678890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9533}}^1$

素因数の和:9566

約数の個数: 32

約数和(自身を含む): 27457920

約数和(自身を除く): 14779030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 9533, 19066, 47665, 66731, 95330, 133462, 181127, 333655, 362254, 667310, 905635, 1267889, 1811270, 2535778, 6339445, 12678890]

約数ペア:

[(1, 12678890), (2, 6339445), (5, 2535778), (7, 1811270), (10, 1267889), (14, 905635), (19, 667310), (35, 362254), (38, 333655), (70, 181127), (95, 133462), (133, 95330), (190, 66731), (266, 47665), (665, 19066), (1330, 9533)]