19055725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3449}}^1$

素因数の和:3489

約数の個数: 24

約数和(自身を含む): 26951400

約数和(自身を除く): 7895675

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 3449, 5525, 17245, 44837, 58633, 86225, 224185, 293165, 762229, 1120925, 1465825, 3811145, 19055725]

約数ペア:

[(1, 19055725), (5, 3811145), (13, 1465825), (17, 1120925), (25, 762229), (65, 293165), (85, 224185), (221, 86225), (325, 58633), (425, 44837), (1105, 17245), (3449, 5525)]