19784388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{126823}}^1$

素因数の和:126843

約数の個数: 24

約数和(自身を含む): 49715008

約数和(自身を除く): 29930620

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 126823, 253646, 380469, 507292, 760938, 1521876, 1648699, 3297398, 4946097, 6594796, 9892194, 19784388]

約数ペア:

[(1, 19784388), (2, 9892194), (3, 6594796), (4, 4946097), (6, 3297398), (12, 1648699), (13, 1521876), (26, 760938), (39, 507292), (52, 380469), (78, 253646), (156, 126823)]