19208525

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 29462400

約数和(自身を除く): 10253875

約数列:

[1, 5, 7, 19, 25, 35, 53, 95, 109, 133, 175, 265, 371, 475, 545, 665, 763, 1007, 1325, 1855, 2071, 2725, 3325, 3815, 5035, 5777, 7049, 9275, 10355, 14497, 19075, 25175, 28885, 35245, 40439, 51775, 72485, 109763, 144425, 176225, 202195, 362425, 548815, 768341, 1010975, 2744075, 3841705, 19208525]

約数ペア:

[(1, 19208525), (5, 3841705), (7, 2744075), (19, 1010975), (25, 768341), (35, 548815), (53, 362425), (95, 202195), (109, 176225), (133, 144425), (175, 109763), (265, 72485), (371, 51775), (475, 40439), (545, 35245), (665, 28885), (763, 25175), (1007, 19075), (1325, 14497), (1855, 10355), (2071, 9275), (2725, 7049), (3325, 5777), (3815, 5035)]