19645020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109139}}^1$

素因数の和:109154

約数の個数: 36

約数和(自身を含む): 59590440

約数和(自身を除く): 39945420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 109139, 218278, 327417, 436556, 545695, 654834, 982251, 1091390, 1309668, 1637085, 1964502, 2182780, 3274170, 3929004, 4911255, 6548340, 9822510, 19645020]

約数ペア:

[(1, 19645020), (2, 9822510), (3, 6548340), (4, 4911255), (5, 3929004), (6, 3274170), (9, 2182780), (10, 1964502), (12, 1637085), (15, 1309668), (18, 1091390), (20, 982251), (30, 654834), (36, 545695), (45, 436556), (60, 327417), (90, 218278), (180, 109139)]