19260269

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 25214976

約数和(自身を除く): 5954707

約数列:

[1, 7, 17, 23, 31, 119, 161, 217, 227, 391, 527, 713, 1589, 2737, 3689, 3859, 4991, 5221, 7037, 12121, 27013, 36547, 49259, 84847, 88757, 119629, 161851, 621299, 837403, 1132957, 2751467, 19260269]

約数ペア:

[(1, 19260269), (7, 2751467), (17, 1132957), (23, 837403), (31, 621299), (119, 161851), (161, 119629), (217, 88757), (227, 84847), (391, 49259), (527, 36547), (713, 27013), (1589, 12121), (2737, 7037), (3689, 5221), (3859, 4991)]