19662309

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2$

素因数の和:166

約数の個数: 36

約数和(自身を含む): 30984096

約数和(自身を除く): 11321787

約数列:

[1, 3, 9, 23, 43, 47, 69, 129, 141, 207, 387, 423, 989, 1081, 2021, 2209, 2967, 3243, 6063, 6627, 8901, 9729, 18189, 19881, 46483, 50807, 94987, 139449, 152421, 284961, 418347, 457263, 854883, 2184701, 6554103, 19662309]

約数ペア:

[(1, 19662309), (3, 6554103), (9, 2184701), (23, 854883), (43, 457263), (47, 418347), (69, 284961), (129, 152421), (141, 139449), (207, 94987), (387, 50807), (423, 46483), (989, 19881), (1081, 18189), (2021, 9729), (2209, 8901), (2967, 6627), (3243, 6063)]