18251811

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:233

約数の個数: 40

約数和(自身を含む): 29028384

約数和(自身を除く): 10776573

約数列:

[1, 3, 9, 23, 27, 69, 81, 97, 101, 207, 291, 303, 621, 873, 909, 1863, 2231, 2323, 2619, 2727, 6693, 6969, 7857, 8181, 9797, 20079, 20907, 29391, 60237, 62721, 88173, 180711, 188163, 225331, 264519, 675993, 793557, 2027979, 6083937, 18251811]

約数ペア:

[(1, 18251811), (3, 6083937), (9, 2027979), (23, 793557), (27, 675993), (69, 264519), (81, 225331), (97, 188163), (101, 180711), (207, 88173), (291, 62721), (303, 60237), (621, 29391), (873, 20907), (909, 20079), (1863, 9797), (2231, 8181), (2323, 7857), (2619, 6969), (2727, 6693)]