19703493

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:419

約数の個数: 40

約数和(自身を含む): 32016600

約数和(自身を除く): 12313107

約数列:

[1, 3, 9, 17, 27, 41, 51, 81, 123, 153, 349, 369, 459, 697, 1047, 1107, 1377, 2091, 3141, 3321, 5933, 6273, 9423, 14309, 17799, 18819, 28269, 42927, 53397, 56457, 128781, 160191, 243253, 386343, 480573, 729759, 1159029, 2189277, 6567831, 19703493]

約数ペア:

[(1, 19703493), (3, 6567831), (9, 2189277), (17, 1159029), (27, 729759), (41, 480573), (51, 386343), (81, 243253), (123, 160191), (153, 128781), (349, 56457), (369, 53397), (459, 42927), (697, 28269), (1047, 18819), (1107, 17799), (1377, 14309), (2091, 9423), (3141, 6273), (3321, 5933)]