19013525

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 25206720

約数和(自身を除く): 6193195

約数列:

[1, 5, 23, 25, 43, 115, 215, 575, 769, 989, 1075, 3845, 4945, 17687, 19225, 24725, 33067, 88435, 165335, 442175, 760541, 826675, 3802705, 19013525]

約数ペア:

[(1, 19013525), (5, 3802705), (23, 826675), (25, 760541), (43, 442175), (115, 165335), (215, 88435), (575, 33067), (769, 24725), (989, 19225), (1075, 17687), (3845, 4945)]