19882620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{110459}}^1$

素因数の和:110474

約数の個数: 36

約数和(自身を含む): 60311160

約数和(自身を除く): 40428540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 110459, 220918, 331377, 441836, 552295, 662754, 994131, 1104590, 1325508, 1656885, 1988262, 2209180, 3313770, 3976524, 4970655, 6627540, 9941310, 19882620]

約数ペア:

[(1, 19882620), (2, 9941310), (3, 6627540), (4, 4970655), (5, 3976524), (6, 3313770), (9, 2209180), (10, 1988262), (12, 1656885), (15, 1325508), (18, 1104590), (20, 994131), (30, 662754), (36, 552295), (45, 441836), (60, 331377), (90, 220918), (180, 110459)]