19088217

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:267

約数の個数: 40

約数和(自身を含む): 30588800

約数和(自身を除く): 11500583

約数列:

[1, 3, 9, 19, 27, 57, 79, 81, 157, 171, 237, 471, 513, 711, 1413, 1501, 1539, 2133, 2983, 4239, 4503, 6399, 8949, 12403, 12717, 13509, 26847, 37209, 40527, 80541, 111627, 121581, 235657, 241623, 334881, 706971, 1004643, 2120913, 6362739, 19088217]

約数ペア:

[(1, 19088217), (3, 6362739), (9, 2120913), (19, 1004643), (27, 706971), (57, 334881), (79, 241623), (81, 235657), (157, 121581), (171, 111627), (237, 80541), (471, 40527), (513, 37209), (711, 26847), (1413, 13509), (1501, 12717), (1539, 12403), (2133, 8949), (2983, 6399), (4239, 4503)]