19813230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{220147}}^1$

素因数の和:220160

約数の個数: 24

約数和(自身を含む): 51514632

約数和(自身を除く): 31701402

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 220147, 440294, 660441, 1100735, 1320882, 1981323, 2201470, 3302205, 3962646, 6604410, 9906615, 19813230]

約数ペア:

[(1, 19813230), (2, 9906615), (3, 6604410), (5, 3962646), (6, 3302205), (9, 2201470), (10, 1981323), (15, 1320882), (18, 1100735), (30, 660441), (45, 440294), (90, 220147)]