19473309

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{433}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 29789760

約数和(自身を除く): 10316451

約数列:

[1, 3, 9, 19, 57, 171, 263, 433, 789, 1299, 2367, 3897, 4997, 8227, 14991, 24681, 44973, 74043, 113879, 341637, 1024911, 2163701, 6491103, 19473309]

約数ペア:

[(1, 19473309), (3, 6491103), (9, 2163701), (19, 1024911), (57, 341637), (171, 113879), (263, 74043), (433, 44973), (789, 24681), (1299, 14991), (2367, 8227), (3897, 4997)]