18490713

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 9088167

約数列:

[1, 3, 17, 37, 41, 51, 111, 123, 239, 629, 697, 717, 1517, 1887, 2091, 4063, 4551, 8843, 9799, 12189, 25789, 26529, 29397, 77367, 150331, 166583, 362563, 450993, 499749, 1087689, 6163571, 18490713]

約数ペア:

[(1, 18490713), (3, 6163571), (17, 1087689), (37, 499749), (41, 450993), (51, 362563), (111, 166583), (123, 150331), (239, 77367), (629, 29397), (697, 26529), (717, 25789), (1517, 12189), (1887, 9799), (2091, 8843), (4063, 4551)]