19428872

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{18539}}^1$

素因数の和:18676

約数の個数: 16

約数和(自身を含む): 36709200

約数和(自身を除く): 17280328

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 18539, 37078, 74156, 148312, 2428609, 4857218, 9714436, 19428872]

約数ペア:

[(1, 19428872), (2, 9714436), (4, 4857218), (8, 2428609), (131, 148312), (262, 74156), (524, 37078), (1048, 18539)]