19979817

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{46573}}^1$

素因数の和:46600

約数の個数: 16

約数和(自身を含む): 31297728

約数和(自身を除く): 11317911

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 46573, 139719, 512303, 605449, 1536909, 1816347, 6659939, 19979817]

約数ペア:

[(1, 19979817), (3, 6659939), (11, 1816347), (13, 1536909), (33, 605449), (39, 512303), (143, 139719), (429, 46573)]