18564255

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8089}}^1$

素因数の和:8120

約数の個数: 32

約数和(自身を含む): 34948800

約数和(自身を除く): 16384545

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8089, 24267, 40445, 72801, 121335, 137513, 218403, 364005, 412539, 687565, 1092015, 1237617, 2062695, 3712851, 6188085, 18564255]

約数ペア:

[(1, 18564255), (3, 6188085), (5, 3712851), (9, 2062695), (15, 1237617), (17, 1092015), (27, 687565), (45, 412539), (51, 364005), (85, 218403), (135, 137513), (153, 121335), (255, 72801), (459, 40445), (765, 24267), (2295, 8089)]