17931472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{86209}}^1$

素因数の和:86230

約数の個数: 20

約数和(自身を含む): 37415140

約数和(自身を除く): 19483668

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 86209, 172418, 344836, 689672, 1120717, 1379344, 2241434, 4482868, 8965736, 17931472]

約数ペア:

[(1, 17931472), (2, 8965736), (4, 4482868), (8, 2241434), (13, 1379344), (16, 1120717), (26, 689672), (52, 344836), (104, 172418), (208, 86209)]