19706193

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2441}}^1$

素因数の和:2486

約数の個数: 32

約数和(自身を含む): 32820480

約数和(自身を除く): 13114287

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2441, 2691, 7323, 8073, 21969, 31733, 56143, 65907, 95199, 168429, 285597, 505287, 729859, 856791, 1515861, 2189577, 6568731, 19706193]

約数ペア:

[(1, 19706193), (3, 6568731), (9, 2189577), (13, 1515861), (23, 856791), (27, 729859), (39, 505287), (69, 285597), (117, 168429), (207, 95199), (299, 65907), (351, 56143), (621, 31733), (897, 21969), (2441, 8073), (2691, 7323)]