18268328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{653}}^1$

素因数の和:941

約数の個数: 32

約数和(自身を含む): 37081800

約数和(自身を除く): 18813472

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 269, 538, 653, 1076, 1306, 2152, 2612, 3497, 5224, 6994, 8489, 13988, 16978, 27976, 33956, 67912, 175657, 351314, 702628, 1405256, 2283541, 4567082, 9134164, 18268328]

約数ペア:

[(1, 18268328), (2, 9134164), (4, 4567082), (8, 2283541), (13, 1405256), (26, 702628), (52, 351314), (104, 175657), (269, 67912), (538, 33956), (653, 27976), (1076, 16978), (1306, 13988), (2152, 8489), (2612, 6994), (3497, 5224)]