18526413

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 8845107

約数列:

[1, 3, 17, 47, 51, 59, 131, 141, 177, 393, 799, 1003, 2227, 2397, 2773, 3009, 6157, 6681, 7729, 8319, 18471, 23187, 47141, 104669, 131393, 141423, 314007, 363263, 394179, 1089789, 6175471, 18526413]

約数ペア:

[(1, 18526413), (3, 6175471), (17, 1089789), (47, 394179), (51, 363263), (59, 314007), (131, 141423), (141, 131393), (177, 104669), (393, 47141), (799, 23187), (1003, 18471), (2227, 8319), (2397, 7729), (2773, 6681), (3009, 6157)]