19716690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{93889}}^1$

素因数の和:93906

約数の個数: 32

約数和(自身を含む): 54080640

約数和(自身を除く): 34363950

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 93889, 187778, 281667, 469445, 563334, 657223, 938890, 1314446, 1408335, 1971669, 2816670, 3286115, 3943338, 6572230, 9858345, 19716690]

約数ペア:

[(1, 19716690), (2, 9858345), (3, 6572230), (5, 3943338), (6, 3286115), (7, 2816670), (10, 1971669), (14, 1408335), (15, 1314446), (21, 938890), (30, 657223), (35, 563334), (42, 469445), (70, 281667), (105, 187778), (210, 93889)]