19945088

素因数分解:

$2^7\times {\mathrm{155821}}^1$

素因数の和:155835

約数の個数: 16

約数和(自身を含む): 39734610

約数和(自身を除く): 19789522

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 155821, 311642, 623284, 1246568, 2493136, 4986272, 9972544, 19945088]

約数ペア:

[(1, 19945088), (2, 9972544), (4, 4986272), (8, 2493136), (16, 1246568), (32, 623284), (64, 311642), (128, 155821)]