19925997

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10427}}^1$

素因数の和:10457

約数の個数: 24

約数和(自身を含む): 33286176

約数和(自身を除く): 13360179

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10427, 31281, 72989, 135551, 218967, 406653, 510923, 948857, 1532769, 2846571, 6641999, 19925997]

約数ペア:

[(1, 19925997), (3, 6641999), (7, 2846571), (13, 1532769), (21, 948857), (39, 510923), (49, 406653), (91, 218967), (147, 135551), (273, 72989), (637, 31281), (1911, 10427)]