19942825

素因数分解:

$5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1373}}^1$

素因数の和:1473

約数の個数: 24

約数和(自身を含む): 28623168

約数和(自身を除く): 8680343

約数列:

[1, 5, 7, 25, 35, 83, 175, 415, 581, 1373, 2075, 2905, 6865, 9611, 14525, 34325, 48055, 113959, 240275, 569795, 797713, 2848975, 3988565, 19942825]

約数ペア:

[(1, 19942825), (5, 3988565), (7, 2848975), (25, 797713), (35, 569795), (83, 240275), (175, 113959), (415, 48055), (581, 34325), (1373, 14525), (2075, 9611), (2905, 6865)]