19706580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109481}}^1$

素因数の和:109496

約数の個数: 36

約数和(自身を含む): 59777172

約数和(自身を除く): 40070592

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 109481, 218962, 328443, 437924, 547405, 656886, 985329, 1094810, 1313772, 1642215, 1970658, 2189620, 3284430, 3941316, 4926645, 6568860, 9853290, 19706580]

約数ペア:

[(1, 19706580), (2, 9853290), (3, 6568860), (4, 4926645), (5, 3941316), (6, 3284430), (9, 2189620), (10, 1970658), (12, 1642215), (15, 1313772), (18, 1094810), (20, 985329), (30, 656886), (36, 547405), (45, 437924), (60, 328443), (90, 218962), (180, 109481)]