19684054

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1907}}^1$

素因数の和:2319

約数の個数: 16

約数和(自身を含む): 31894128

約数和(自身を除く): 12210074

約数列:

[1, 2, 13, 26, 397, 794, 1907, 3814, 5161, 10322, 24791, 49582, 757079, 1514158, 9842027, 19684054]

約数ペア:

[(1, 19684054), (2, 9842027), (13, 1514158), (26, 757079), (397, 49582), (794, 24791), (1907, 10322), (3814, 5161)]