19817427

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{55511}}^1$

素因数の和:55538

約数の個数: 16

約数和(自身を含む): 31974912

約数和(自身を除く): 12157485

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 55511, 166533, 388577, 943687, 1165731, 2831061, 6605809, 19817427]

約数ペア:

[(1, 19817427), (3, 6605809), (7, 2831061), (17, 1165731), (21, 943687), (51, 388577), (119, 166533), (357, 55511)]