19980219

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{55967}}^1$

素因数の和:55994

約数の個数: 16

約数和(自身を含む): 32237568

約数和(自身を除く): 12257349

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 55967, 167901, 391769, 951439, 1175307, 2854317, 6660073, 19980219]

約数ペア:

[(1, 19980219), (3, 6660073), (7, 2854317), (17, 1175307), (21, 951439), (51, 391769), (119, 167901), (357, 55967)]