19936969

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:460

約数の個数: 16

約数和(自身を含む): 22269520

約数和(自身を除く): 2332551

約数列:

[1, 13, 37, 181, 229, 481, 2353, 2977, 6697, 8473, 41449, 87061, 110149, 538837, 1533613, 19936969]

約数ペア:

[(1, 19936969), (13, 1533613), (37, 538837), (181, 110149), (229, 87061), (481, 41449), (2353, 8473), (2977, 6697)]