18014590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 35549280

約数和(自身を除く): 17534690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 421, 778, 842, 1945, 2105, 3890, 4210, 4279, 4631, 8558, 9262, 21395, 23155, 42790, 46310, 163769, 327538, 818845, 1637690, 1801459, 3602918, 9007295, 18014590]

約数ペア:

[(1, 18014590), (2, 9007295), (5, 3602918), (10, 1801459), (11, 1637690), (22, 818845), (55, 327538), (110, 163769), (389, 46310), (421, 42790), (778, 23155), (842, 21395), (1945, 9262), (2105, 8558), (3890, 4631), (4210, 4279)]