19904274

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{85061}}^1$

素因数の和:85082

約数の個数: 24

約数和(自身を含む): 46443852

約数和(自身を除く): 26539578

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 85061, 170122, 255183, 510366, 765549, 1105793, 1531098, 2211586, 3317379, 6634758, 9952137, 19904274]

約数ペア:

[(1, 19904274), (2, 9952137), (3, 6634758), (6, 3317379), (9, 2211586), (13, 1531098), (18, 1105793), (26, 765549), (39, 510366), (78, 255183), (117, 170122), (234, 85061)]