19838847

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 32569344

約数和(自身を除く): 12730497

約数列:

[1, 3, 7, 17, 21, 51, 61, 119, 183, 357, 427, 911, 1037, 1281, 2733, 3111, 6377, 7259, 15487, 19131, 21777, 46461, 55571, 108409, 166713, 325227, 388997, 944707, 1166991, 2834121, 6612949, 19838847]

約数ペア:

[(1, 19838847), (3, 6612949), (7, 2834121), (17, 1166991), (21, 944707), (51, 388997), (61, 325227), (119, 166713), (183, 108409), (357, 55571), (427, 46461), (911, 21777), (1037, 19131), (1281, 15487), (2733, 7259), (3111, 6377)]