19679085

素因数分解:

$3^3\times 5^1\times {\mathrm{145771}}^1$

素因数の和:145785

約数の個数: 16

約数和(自身を含む): 34985280

約数和(自身を除く): 15306195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 145771, 437313, 728855, 1311939, 2186565, 3935817, 6559695, 19679085]

約数ペア:

[(1, 19679085), (3, 6559695), (5, 3935817), (9, 2186565), (15, 1311939), (27, 728855), (45, 437313), (135, 145771)]