19763757

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{137}}^2$

素因数の和:299

約数の個数: 30

約数和(自身を含む): 32028458

約数和(自身を除く): 12264701

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 137, 351, 411, 1053, 1233, 1781, 3699, 5343, 11097, 16029, 18769, 48087, 56307, 144261, 168921, 243997, 506763, 731991, 1520289, 2195973, 6587919, 19763757]

約数ペア:

[(1, 19763757), (3, 6587919), (9, 2195973), (13, 1520289), (27, 731991), (39, 506763), (81, 243997), (117, 168921), (137, 144261), (351, 56307), (411, 48087), (1053, 18769), (1233, 16029), (1781, 11097), (3699, 5343)]