19390064

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71287}}^1$

素因数の和:71312

約数の個数: 20

約数和(自身を含む): 39778704

約数和(自身を除く): 20388640

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71287, 142574, 285148, 570296, 1140592, 1211879, 2423758, 4847516, 9695032, 19390064]

約数ペア:

[(1, 19390064), (2, 9695032), (4, 4847516), (8, 2423758), (16, 1211879), (17, 1140592), (34, 570296), (68, 285148), (136, 142574), (272, 71287)]