19169361

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 28416960

約数和(自身を除く): 9247599

約数列:

[1, 3, 9, 71, 131, 213, 229, 393, 639, 687, 1179, 2061, 9301, 16259, 27903, 29999, 48777, 83709, 89997, 146331, 269991, 2129929, 6389787, 19169361]

約数ペア:

[(1, 19169361), (3, 6389787), (9, 2129929), (71, 269991), (131, 146331), (213, 89997), (229, 83709), (393, 48777), (639, 29999), (687, 27903), (1179, 16259), (2061, 9301)]