18961495

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{293}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 26714016

約数和(自身を除く): 7752521

約数列:

[1, 5, 7, 35, 43, 215, 293, 301, 1465, 1505, 1849, 2051, 9245, 10255, 12599, 12943, 62995, 64715, 88193, 440965, 541757, 2708785, 3792299, 18961495]

約数ペア:

[(1, 18961495), (5, 3792299), (7, 2708785), (35, 541757), (43, 440965), (215, 88193), (293, 64715), (301, 62995), (1465, 12943), (1505, 12599), (1849, 10255), (2051, 9245)]