19183131

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5237}}^1$

素因数の和:5291

約数の個数: 24

約数和(自身を含む): 31050864

約数和(自身を除く): 11867733

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 5237, 15711, 47133, 57607, 172821, 193769, 518463, 581307, 1743921, 2131459, 6394377, 19183131]

約数ペア:

[(1, 19183131), (3, 6394377), (9, 2131459), (11, 1743921), (33, 581307), (37, 518463), (99, 193769), (111, 172821), (333, 57607), (407, 47133), (1221, 15711), (3663, 5237)]