17681820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{22669}}^1$

素因数の和:22694

約数の個数: 48

約数和(自身を含む): 53319840

約数和(自身を除く): 35638020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 22669, 45338, 68007, 90676, 113345, 136014, 226690, 272028, 294697, 340035, 453380, 589394, 680070, 884091, 1178788, 1360140, 1473485, 1768182, 2946970, 3536364, 4420455, 5893940, 8840910, 17681820]

約数ペア:

[(1, 17681820), (2, 8840910), (3, 5893940), (4, 4420455), (5, 3536364), (6, 2946970), (10, 1768182), (12, 1473485), (13, 1360140), (15, 1178788), (20, 884091), (26, 680070), (30, 589394), (39, 453380), (52, 340035), (60, 294697), (65, 272028), (78, 226690), (130, 136014), (156, 113345), (195, 90676), (260, 68007), (390, 45338), (780, 22669)]