19996575

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{4519}}^1$

素因数の和:4591

約数の個数: 24

約数和(自身を含む): 33628800

約数和(自身を除く): 13632225

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 295, 885, 1475, 4425, 4519, 13557, 22595, 67785, 112975, 266621, 338925, 799863, 1333105, 3999315, 6665525, 19996575]

約数ペア:

[(1, 19996575), (3, 6665525), (5, 3999315), (15, 1333105), (25, 799863), (59, 338925), (75, 266621), (177, 112975), (295, 67785), (885, 22595), (1475, 13557), (4425, 4519)]