18951651

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13763}}^1$

素因数の和:13792

約数の個数: 20

約数和(自身を含む): 29977992

約数和(自身を除く): 11026341

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13763, 41289, 123867, 233971, 371601, 701913, 1114803, 2105739, 6317217, 18951651]

約数ペア:

[(1, 18951651), (3, 6317217), (9, 2105739), (17, 1114803), (27, 701913), (51, 371601), (81, 233971), (153, 123867), (459, 41289), (1377, 13763)]