19783286782

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3517}}^1\times {\mathrm{5659}}^1$

素因数の和:9256

約数の個数: 32

約数和(自身を含む): 34407728640

約数和(自身を除く): 14624441858

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 3517, 5659, 7034, 11318, 24619, 39613, 49238, 79226, 249707, 401789, 499414, 803578, 1747949, 2812523, 3495898, 5625046, 19902703, 39805406, 139318921, 278637842, 1413091913, 2826183826, 9891643391, 19783286782]

約数ペア:

[(1, 19783286782), (2, 9891643391), (7, 2826183826), (14, 1413091913), (71, 278637842), (142, 139318921), (497, 39805406), (994, 19902703), (3517, 5625046), (5659, 3495898), (7034, 2812523), (11318, 1747949), (24619, 803578), (39613, 499414), (49238, 401789), (79226, 249707)]