18278451

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{619}}^1$

素因数の和:835

約数の個数: 24

約数和(自身を含む): 28145520

約数和(自身を除く): 9867069

約数列:

[1, 3, 9, 17, 51, 153, 193, 579, 619, 1737, 1857, 3281, 5571, 9843, 10523, 29529, 31569, 94707, 119467, 358401, 1075203, 2030939, 6092817, 18278451]

約数ペア:

[(1, 18278451), (3, 6092817), (9, 2030939), (17, 1075203), (51, 358401), (153, 119467), (193, 94707), (579, 31569), (619, 29529), (1737, 10523), (1857, 9843), (3281, 5571)]