19916974

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{457}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 37460736

約数和(自身を除く): 17543762

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 283, 457, 566, 914, 1981, 3113, 3199, 3962, 5027, 6226, 6398, 10054, 21791, 35189, 43582, 70378, 129331, 258662, 905317, 1422641, 1810634, 2845282, 9958487, 19916974]

約数ペア:

[(1, 19916974), (2, 9958487), (7, 2845282), (11, 1810634), (14, 1422641), (22, 905317), (77, 258662), (154, 129331), (283, 70378), (457, 43582), (566, 35189), (914, 21791), (1981, 10054), (3113, 6398), (3199, 6226), (3962, 5027)]