19982576

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{15809}}^1$

素因数の和:15896

約数の個数: 20

約数和(自身を含む): 39208800

約数和(自身を除く): 19226224

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 15809, 31618, 63236, 126472, 252944, 1248911, 2497822, 4995644, 9991288, 19982576]

約数ペア:

[(1, 19982576), (2, 9991288), (4, 4995644), (8, 2497822), (16, 1248911), (79, 252944), (158, 126472), (316, 63236), (632, 31618), (1264, 15809)]