19964646

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{6563}}^1$

素因数の和:6597

約数の個数: 36

約数和(自身を含む): 46847268

約数和(自身を除く): 26882622

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 6563, 13126, 19689, 39378, 59067, 85319, 118134, 170638, 255957, 511914, 767871, 1109147, 1535742, 2218294, 3327441, 6654882, 9982323, 19964646]

約数ペア:

[(1, 19964646), (2, 9982323), (3, 6654882), (6, 3327441), (9, 2218294), (13, 1535742), (18, 1109147), (26, 767871), (39, 511914), (78, 255957), (117, 170638), (169, 118134), (234, 85319), (338, 59067), (507, 39378), (1014, 19689), (1521, 13126), (3042, 6563)]