19513136

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39341}}^1$

素因数の和:39380

約数の個数: 20

約数和(自身を含む): 39027264

約数和(自身を除く): 19514128

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39341, 78682, 157364, 314728, 629456, 1219571, 2439142, 4878284, 9756568, 19513136]

約数ペア:

[(1, 19513136), (2, 9756568), (4, 4878284), (8, 2439142), (16, 1219571), (31, 629456), (62, 314728), (124, 157364), (248, 78682), (496, 39341)]