18931893

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 25815936

約数和(自身を除く): 6884043

約数列:

[1, 3, 73, 137, 219, 411, 631, 1893, 10001, 30003, 46063, 86447, 138189, 259341, 6310631, 18931893]

約数ペア:

[(1, 18931893), (3, 6310631), (73, 259341), (137, 138189), (219, 86447), (411, 46063), (631, 30003), (1893, 10001)]