18664487

素因数分解:

${\mathrm{17}}^3\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 16

約数和(自身を含む): 20671200

約数和(自身を除く): 2006713

約数列:

[1, 17, 29, 131, 289, 493, 2227, 3799, 4913, 8381, 37859, 64583, 142477, 643603, 1097911, 18664487]

約数ペア:

[(1, 18664487), (17, 1097911), (29, 643603), (131, 142477), (289, 64583), (493, 37859), (2227, 8381), (3799, 4913)]