19490109

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1487}}^1$

素因数の和:1764

約数の個数: 16

約数和(自身を含む): 27641088

約数和(自身を除く): 8150979

約数列:

[1, 3, 17, 51, 257, 771, 1487, 4369, 4461, 13107, 25279, 75837, 382159, 1146477, 6496703, 19490109]

約数ペア:

[(1, 19490109), (3, 6496703), (17, 1146477), (51, 382159), (257, 75837), (771, 25279), (1487, 13107), (4369, 4461)]