19505556

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{25801}}^1$

素因数の和:25821

約数の個数: 48

約数和(自身を含む): 57796480

約数和(自身を除く): 38290924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 25801, 51602, 77403, 103204, 154806, 180607, 232209, 309612, 361214, 464418, 541821, 696627, 722428, 928836, 1083642, 1393254, 1625463, 2167284, 2786508, 3250926, 4876389, 6501852, 9752778, 19505556]

約数ペア:

[(1, 19505556), (2, 9752778), (3, 6501852), (4, 4876389), (6, 3250926), (7, 2786508), (9, 2167284), (12, 1625463), (14, 1393254), (18, 1083642), (21, 928836), (27, 722428), (28, 696627), (36, 541821), (42, 464418), (54, 361214), (63, 309612), (84, 232209), (108, 180607), (126, 154806), (189, 103204), (252, 77403), (378, 51602), (756, 25801)]