19556877

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 28901376

約数和(自身を除く): 9344499

約数列:

[1, 3, 23, 31, 41, 69, 93, 123, 223, 669, 713, 943, 1271, 2139, 2829, 3813, 5129, 6913, 9143, 15387, 20739, 27429, 29233, 87699, 158999, 210289, 283433, 476997, 630867, 850299, 6518959, 19556877]

約数ペア:

[(1, 19556877), (3, 6518959), (23, 850299), (31, 630867), (41, 476997), (69, 283433), (93, 210289), (123, 158999), (223, 87699), (669, 29233), (713, 27429), (943, 20739), (1271, 15387), (2139, 9143), (2829, 6913), (3813, 5129)]