19403793

素因数分解:

$3^6\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:680

約数の個数: 28

約数和(自身を含む): 29817040

約数和(自身を除く): 10413247

約数列:

[1, 3, 9, 27, 43, 81, 129, 243, 387, 619, 729, 1161, 1857, 3483, 5571, 10449, 16713, 26617, 31347, 50139, 79851, 150417, 239553, 451251, 718659, 2155977, 6467931, 19403793]

約数ペア:

[(1, 19403793), (3, 6467931), (9, 2155977), (27, 718659), (43, 451251), (81, 239553), (129, 150417), (243, 79851), (387, 50139), (619, 31347), (729, 26617), (1161, 16713), (1857, 10449), (3483, 5571)]