18620763

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1283

約数の個数: 32

約数和(自身を含む): 30767616

約数和(自身を除く): 12146853

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 301, 357, 731, 903, 1213, 2193, 3639, 5117, 8491, 15351, 20621, 25473, 52159, 61863, 144347, 156477, 365113, 433041, 886703, 1095339, 2660109, 6206921, 18620763]

約数ペア:

[(1, 18620763), (3, 6206921), (7, 2660109), (17, 1095339), (21, 886703), (43, 433041), (51, 365113), (119, 156477), (129, 144347), (301, 61863), (357, 52159), (731, 25473), (903, 20621), (1213, 15351), (2193, 8491), (3639, 5117)]