19007728

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{4733}}^1$

素因数の和:4992

約数の個数: 20

約数和(自身を含む): 36982008

約数和(自身を除く): 17974280

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 4733, 9466, 18932, 37864, 75728, 1187983, 2375966, 4751932, 9503864, 19007728]

約数ペア:

[(1, 19007728), (2, 9503864), (4, 4751932), (8, 2375966), (16, 1187983), (251, 75728), (502, 37864), (1004, 18932), (2008, 9466), (4016, 4733)]