18664196

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{65719}}^1$

素因数の和:65794

約数の個数: 12

約数和(自身を含む): 33122880

約数和(自身を除く): 14458684

約数列:

[1, 2, 4, 71, 142, 284, 65719, 131438, 262876, 4666049, 9332098, 18664196]

約数ペア:

[(1, 18664196), (2, 9332098), (4, 4666049), (71, 262876), (142, 131438), (284, 65719)]