18894130

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{14423}}^1$

素因数の和:14561

約数の個数: 16

約数和(自身を含む): 34271424

約数和(自身を除く): 15377294

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 14423, 28846, 72115, 144230, 1889413, 3778826, 9447065, 18894130]

約数ペア:

[(1, 18894130), (2, 9447065), (5, 3778826), (10, 1889413), (131, 144230), (262, 72115), (655, 28846), (1310, 14423)]