16911856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{81307}}^1$

素因数の和:81328

約数の個数: 20

約数和(自身を含む): 35287672

約数和(自身を除く): 18375816

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 81307, 162614, 325228, 650456, 1056991, 1300912, 2113982, 4227964, 8455928, 16911856]

約数ペア:

[(1, 16911856), (2, 8455928), (4, 4227964), (8, 2113982), (13, 1300912), (16, 1056991), (26, 650456), (52, 325228), (104, 162614), (208, 81307)]