19910444398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2393}}^1\times {\mathrm{320011}}^1$

素因数の和:322419

約数の個数: 16

約数和(自身を含む): 32176566576

約数和(自身を除く): 12266122178

約数列:

[1, 2, 13, 26, 2393, 4786, 31109, 62218, 320011, 640022, 4160143, 8320286, 765786323, 1531572646, 9955222199, 19910444398]

約数ペア:

[(1, 19910444398), (2, 9955222199), (13, 1531572646), (26, 765786323), (2393, 8320286), (4786, 4160143), (31109, 640022), (62218, 320011)]