19303791

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 29568000

約数和(自身を除く): 10264209

約数列:

[1, 3, 13, 19, 39, 57, 109, 239, 247, 327, 717, 741, 1417, 2071, 3107, 4251, 4541, 6213, 9321, 13623, 26051, 26923, 59033, 78153, 80769, 177099, 338663, 494969, 1015989, 1484907, 6434597, 19303791]

約数ペア:

[(1, 19303791), (3, 6434597), (13, 1484907), (19, 1015989), (39, 494969), (57, 338663), (109, 177099), (239, 80769), (247, 78153), (327, 59033), (717, 26923), (741, 26051), (1417, 13623), (2071, 9321), (3107, 6213), (4251, 4541)]