18520026

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{440953}}^1$

素因数の和:440965

約数の個数: 16

約数和(自身を含む): 42331584

約数和(自身を除く): 23811558

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 440953, 881906, 1322859, 2645718, 3086671, 6173342, 9260013, 18520026]

約数ペア:

[(1, 18520026), (2, 9260013), (3, 6173342), (6, 3086671), (7, 2645718), (14, 1322859), (21, 881906), (42, 440953)]