19889992

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{18979}}^1$

素因数の和:19116

約数の個数: 16

約数和(自身を含む): 37580400

約数和(自身を除く): 17690408

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 18979, 37958, 75916, 151832, 2486249, 4972498, 9944996, 19889992]

約数ペア:

[(1, 19889992), (2, 9944996), (4, 4972498), (8, 2486249), (131, 151832), (262, 75916), (524, 37958), (1048, 18979)]