19923165

素因数分解:

$3^4\times 5^1\times {\mathrm{49193}}^1$

素因数の和:49210

約数の個数: 20

約数和(自身を含む): 35714844

約数和(自身を除く): 15791679

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49193, 147579, 245965, 442737, 737895, 1328211, 2213685, 3984633, 6641055, 19923165]

約数ペア:

[(1, 19923165), (3, 6641055), (5, 3984633), (9, 2213685), (15, 1328211), (27, 737895), (45, 442737), (81, 245965), (135, 147579), (405, 49193)]