19570653

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:207

約数の個数: 40

約数和(自身を含む): 30735936

約数和(自身を除く): 11165283

約数列:

[1, 3, 9, 27, 41, 71, 81, 83, 123, 213, 249, 369, 639, 747, 1107, 1917, 2241, 2911, 3321, 3403, 5751, 5893, 6723, 8733, 10209, 17679, 26199, 30627, 53037, 78597, 91881, 159111, 235791, 241613, 275643, 477333, 724839, 2174517, 6523551, 19570653]

約数ペア:

[(1, 19570653), (3, 6523551), (9, 2174517), (27, 724839), (41, 477333), (71, 275643), (81, 241613), (83, 235791), (123, 159111), (213, 91881), (249, 78597), (369, 53037), (639, 30627), (747, 26199), (1107, 17679), (1917, 10209), (2241, 8733), (2911, 6723), (3321, 5893), (3403, 5751)]