18971238

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22111}}^1$

素因数の和:22140

約数の個数: 32

約数和(自身を含む): 44577792

約数和(自身を除く): 25606554

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 22111, 44222, 66333, 132666, 243221, 287443, 486442, 574886, 729663, 862329, 1459326, 1724658, 3161873, 6323746, 9485619, 18971238]

約数ペア:

[(1, 18971238), (2, 9485619), (3, 6323746), (6, 3161873), (11, 1724658), (13, 1459326), (22, 862329), (26, 729663), (33, 574886), (39, 486442), (66, 287443), (78, 243221), (143, 132666), (286, 66333), (429, 44222), (858, 22111)]