18834963

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{7537}}^1$

素因数の和:7571

約数の個数: 24

約数和(自身を含む): 30935952

約数和(自身を除く): 12100989

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 7537, 22611, 52759, 128129, 158277, 369313, 384387, 896903, 1107939, 2690709, 6278321, 18834963]

約数ペア:

[(1, 18834963), (3, 6278321), (7, 2690709), (17, 1107939), (21, 896903), (49, 384387), (51, 369313), (119, 158277), (147, 128129), (357, 52759), (833, 22611), (2499, 7537)]