18663294

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239273}}^1$

素因数の和:239291

約数の個数: 16

約数和(自身を含む): 40198032

約数和(自身を除く): 21534738

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 239273, 478546, 717819, 1435638, 3110549, 6221098, 9331647, 18663294]

約数ペア:

[(1, 18663294), (2, 9331647), (3, 6221098), (6, 3110549), (13, 1435638), (26, 717819), (39, 478546), (78, 239273)]