19355216

素因数分解:

$2^4\times {\mathrm{1051}}^1\times {\mathrm{1151}}^1$

素因数の和:2210

約数の個数: 20

約数和(自身を含む): 37569024

約数和(自身を除く): 18213808

約数列:

[1, 2, 4, 8, 16, 1051, 1151, 2102, 2302, 4204, 4604, 8408, 9208, 16816, 18416, 1209701, 2419402, 4838804, 9677608, 19355216]

約数ペア:

[(1, 19355216), (2, 9677608), (4, 4838804), (8, 2419402), (16, 1209701), (1051, 18416), (1151, 16816), (2102, 9208), (2302, 8408), (4204, 4604)]