19769673

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 34864128

約数和(自身を除く): 15094455

約数列:

[1, 3, 7, 11, 21, 23, 33, 61, 69, 77, 161, 183, 231, 253, 427, 483, 671, 759, 1281, 1403, 1771, 2013, 3721, 4209, 4697, 5313, 9821, 11163, 14091, 15433, 26047, 29463, 40931, 46299, 78141, 85583, 108031, 122793, 256749, 286517, 324093, 599081, 859551, 941413, 1797243, 2824239, 6589891, 19769673]

約数ペア:

[(1, 19769673), (3, 6589891), (7, 2824239), (11, 1797243), (21, 941413), (23, 859551), (33, 599081), (61, 324093), (69, 286517), (77, 256749), (161, 122793), (183, 108031), (231, 85583), (253, 78141), (427, 46299), (483, 40931), (671, 29463), (759, 26047), (1281, 15433), (1403, 14091), (1771, 11163), (2013, 9821), (3721, 5313), (4209, 4697)]