18645027

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{521}}^1$

素因数の和:754

約数の個数: 16

約数和(自身を含む): 25390080

約数和(自身を除く): 6745053

約数列:

[1, 3, 79, 151, 237, 453, 521, 1563, 11929, 35787, 41159, 78671, 123477, 236013, 6215009, 18645027]

約数ペア:

[(1, 18645027), (3, 6215009), (79, 236013), (151, 123477), (237, 78671), (453, 41159), (521, 35787), (1563, 11929)]