19642568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{223211}}^1$

素因数の和:223228

約数の個数: 16

約数和(自身を含む): 40178160

約数和(自身を除く): 20535592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 223211, 446422, 892844, 1785688, 2455321, 4910642, 9821284, 19642568]

約数ペア:

[(1, 19642568), (2, 9821284), (4, 4910642), (8, 2455321), (11, 1785688), (22, 892844), (44, 446422), (88, 223211)]