19660147227

素因数分解:

$3^4\times 7^1\times {\mathrm{421}}^1\times {\mathrm{82361}}^1$

素因数の和:82801

約数の個数: 40

約数和(自身を含む): 33644547552

約数和(自身を除く): 13984400325

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 421, 567, 1263, 2947, 3789, 8841, 11367, 26523, 34101, 79569, 82361, 238707, 247083, 576527, 741249, 1729581, 2223747, 5188743, 6671241, 15566229, 34673981, 46698687, 104021943, 242717867, 312065829, 728153601, 936197487, 2184460803, 2808592461, 6553382409, 19660147227]

約数ペア:

[(1, 19660147227), (3, 6553382409), (7, 2808592461), (9, 2184460803), (21, 936197487), (27, 728153601), (63, 312065829), (81, 242717867), (189, 104021943), (421, 46698687), (567, 34673981), (1263, 15566229), (2947, 6671241), (3789, 5188743), (8841, 2223747), (11367, 1729581), (26523, 741249), (34101, 576527), (79569, 247083), (82361, 238707)]