18507237

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1103}}^1$

素因数の和:1177

約数の個数: 32

約数和(自身を含む): 30523392

約数和(自身を除く): 12016155

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 357, 799, 987, 1103, 2397, 3309, 5593, 7721, 16779, 18751, 23163, 51841, 56253, 131257, 155523, 362887, 393771, 881297, 1088661, 2643891, 6169079, 18507237]

約数ペア:

[(1, 18507237), (3, 6169079), (7, 2643891), (17, 1088661), (21, 881297), (47, 393771), (51, 362887), (119, 155523), (141, 131257), (329, 56253), (357, 51841), (799, 23163), (987, 18751), (1103, 16779), (2397, 7721), (3309, 5593)]