19203418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{4957}}^1$

素因数の和:5121

約数の個数: 16

約数和(自身を含む): 31235400

約数和(自身を除く): 12031982

約数列:

[1, 2, 13, 26, 149, 298, 1937, 3874, 4957, 9914, 64441, 128882, 738593, 1477186, 9601709, 19203418]

約数ペア:

[(1, 19203418), (2, 9601709), (13, 1477186), (26, 738593), (149, 128882), (298, 64441), (1937, 9914), (3874, 4957)]