19290540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{321509}}^1$

素因数の和:321521

約数の個数: 24

約数和(自身を含む): 54013680

約数和(自身を除く): 34723140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 321509, 643018, 964527, 1286036, 1607545, 1929054, 3215090, 3858108, 4822635, 6430180, 9645270, 19290540]

約数ペア:

[(1, 19290540), (2, 9645270), (3, 6430180), (4, 4822635), (5, 3858108), (6, 3215090), (10, 1929054), (12, 1607545), (15, 1286036), (20, 964527), (30, 643018), (60, 321509)]