19790685

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 36691200

約数和(自身を除く): 16900515

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 79, 95, 171, 237, 285, 293, 395, 711, 855, 879, 1185, 1465, 1501, 2637, 3555, 4395, 4503, 5567, 7505, 13185, 13509, 16701, 22515, 23147, 27835, 50103, 67545, 69441, 83505, 115735, 208323, 250515, 347205, 439793, 1041615, 1319379, 2198965, 3958137, 6596895, 19790685]

約数ペア:

[(1, 19790685), (3, 6596895), (5, 3958137), (9, 2198965), (15, 1319379), (19, 1041615), (45, 439793), (57, 347205), (79, 250515), (95, 208323), (171, 115735), (237, 83505), (285, 69441), (293, 67545), (395, 50103), (711, 27835), (855, 23147), (879, 22515), (1185, 16701), (1465, 13509), (1501, 13185), (2637, 7505), (3555, 5567), (4395, 4503)]