18421567180

素因数分解:

$2^2\times 5^1\times {\mathrm{6827}}^1\times {\mathrm{134917}}^1$

素因数の和:141753

約数の個数: 24

約数和(自身を含む): 38691244368

約数和(自身を除く): 20269677188

約数列:

[1, 2, 4, 5, 10, 20, 6827, 13654, 27308, 34135, 68270, 134917, 136540, 269834, 539668, 674585, 1349170, 2698340, 921078359, 1842156718, 3684313436, 4605391795, 9210783590, 18421567180]

約数ペア:

[(1, 18421567180), (2, 9210783590), (4, 4605391795), (5, 3684313436), (10, 1842156718), (20, 921078359), (6827, 2698340), (13654, 1349170), (27308, 674585), (34135, 539668), (68270, 269834), (134917, 136540)]