19864273

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4481}}^1$

素因数の和:4536

約数の個数: 16

約数和(自身を含む): 24095232

約数和(自身を除く): 4230959

約数列:

[1, 11, 13, 31, 143, 341, 403, 4433, 4481, 49291, 58253, 138911, 640783, 1528021, 1805843, 19864273]

約数ペア:

[(1, 19864273), (11, 1805843), (13, 1528021), (31, 640783), (143, 138911), (341, 58253), (403, 49291), (4433, 4481)]