19289583

素因数分解:

$3^5\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 29131648

約数和(自身を除く): 9842065

約数列:

[1, 3, 9, 27, 81, 163, 243, 487, 489, 1461, 1467, 4383, 4401, 13149, 13203, 39447, 39609, 79381, 118341, 238143, 714429, 2143287, 6429861, 19289583]

約数ペア:

[(1, 19289583), (3, 6429861), (9, 2143287), (27, 714429), (81, 238143), (163, 118341), (243, 79381), (487, 39609), (489, 39447), (1461, 13203), (1467, 13149), (4383, 4401)]