19199835

素因数分解:

$3^4\times 5^1\times {\mathrm{47407}}^1$

素因数の和:47424

約数の個数: 20

約数和(自身を含む): 34418208

約数和(自身を除く): 15218373

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 47407, 142221, 237035, 426663, 711105, 1279989, 2133315, 3839967, 6399945, 19199835]

約数ペア:

[(1, 19199835), (3, 6399945), (5, 3839967), (9, 2133315), (15, 1279989), (27, 711105), (45, 426663), (81, 237035), (135, 142221), (405, 47407)]