18507951

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1571}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 35313408

約数和(自身を除く): 16805457

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 231, 357, 561, 693, 1071, 1309, 1571, 1683, 3927, 4713, 10997, 11781, 14139, 17281, 26707, 32991, 51843, 80121, 98973, 120967, 155529, 186949, 240363, 293777, 362901, 560847, 881331, 1088703, 1682541, 2056439, 2643993, 6169317, 18507951]

約数ペア:

[(1, 18507951), (3, 6169317), (7, 2643993), (9, 2056439), (11, 1682541), (17, 1088703), (21, 881331), (33, 560847), (51, 362901), (63, 293777), (77, 240363), (99, 186949), (119, 155529), (153, 120967), (187, 98973), (231, 80121), (357, 51843), (561, 32991), (693, 26707), (1071, 17281), (1309, 14139), (1571, 11781), (1683, 10997), (3927, 4713)]