19645906

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 34951680

約数和(自身を除く): 15305774

約数列:

[1, 2, 7, 14, 47, 73, 94, 146, 329, 409, 511, 658, 818, 1022, 2863, 3431, 5726, 6862, 19223, 24017, 29857, 38446, 48034, 59714, 134561, 208999, 269122, 417998, 1403279, 2806558, 9822953, 19645906]

約数ペア:

[(1, 19645906), (2, 9822953), (7, 2806558), (14, 1403279), (47, 417998), (73, 269122), (94, 208999), (146, 134561), (329, 59714), (409, 48034), (511, 38446), (658, 29857), (818, 24017), (1022, 19223), (2863, 6862), (3431, 5726)]