19538883

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23857}}^1$

素因数の和:23883

約数の個数: 24

約数和(自身を含む): 34737248

約数和(自身を除く): 15198365

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 23857, 71571, 166999, 214713, 310141, 500997, 930423, 1502991, 2170987, 2791269, 6512961, 19538883]

約数ペア:

[(1, 19538883), (3, 6512961), (7, 2791269), (9, 2170987), (13, 1502991), (21, 930423), (39, 500997), (63, 310141), (91, 214713), (117, 166999), (273, 71571), (819, 23857)]