19497621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{967}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 31223808

約数和(自身を除く): 11726187

約数列:

[1, 3, 11, 13, 33, 39, 47, 141, 143, 429, 517, 611, 967, 1551, 1833, 2901, 6721, 10637, 12571, 20163, 31911, 37713, 45449, 136347, 138281, 414843, 499939, 590837, 1499817, 1772511, 6499207, 19497621]

約数ペア:

[(1, 19497621), (3, 6499207), (11, 1772511), (13, 1499817), (33, 590837), (39, 499939), (47, 414843), (141, 138281), (143, 136347), (429, 45449), (517, 37713), (611, 31911), (967, 20163), (1551, 12571), (1833, 10637), (2901, 6721)]