18700921

素因数分解:

${\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:328

約数の個数: 16

約数和(自身を含む): 20305600

約数和(自身を除く): 1604679

約数列:

[1, 19, 73, 97, 139, 1387, 1843, 2641, 7081, 10147, 13483, 134539, 192793, 256177, 984259, 18700921]

約数ペア:

[(1, 18700921), (19, 984259), (73, 256177), (97, 192793), (139, 134539), (1387, 13483), (1843, 10147), (2641, 7081)]