18586197

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6277}}^1$

素因数の和:6337

約数の個数: 24

約数和(自身を含む): 31339776

約数和(自身を除く): 12753579

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6277, 18831, 43939, 56493, 131817, 295019, 395451, 885057, 2065133, 2655171, 6195399, 18586197]

約数ペア:

[(1, 18586197), (3, 6195399), (7, 2655171), (9, 2065133), (21, 885057), (47, 395451), (63, 295019), (141, 131817), (329, 56493), (423, 43939), (987, 18831), (2961, 6277)]