17718220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68147}}^1$

素因数の和:68169

約数の個数: 24

約数和(自身を含む): 40071024

約数和(自身を除く): 22352804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68147, 136294, 272588, 340735, 681470, 885911, 1362940, 1771822, 3543644, 4429555, 8859110, 17718220]

約数ペア:

[(1, 17718220), (2, 8859110), (4, 4429555), (5, 3543644), (10, 1771822), (13, 1362940), (20, 885911), (26, 681470), (52, 340735), (65, 272588), (130, 136294), (260, 68147)]