19303839

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{3557}}^1$

素因数の和:3636

約数の個数: 20

約数和(自身を含む): 29275224

約数和(自身を除く): 9971385

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 3557, 5427, 10671, 32013, 96039, 238319, 288117, 714957, 2144871, 6434613, 19303839]

約数ペア:

[(1, 19303839), (3, 6434613), (9, 2144871), (27, 714957), (67, 288117), (81, 238319), (201, 96039), (603, 32013), (1809, 10671), (3557, 5427)]