19845475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{269}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 26717040

約数和(自身を除く): 6871565

約数列:

[1, 5, 13, 25, 65, 227, 269, 325, 1135, 1345, 2951, 3497, 5675, 6725, 14755, 17485, 61063, 73775, 87425, 305315, 793819, 1526575, 3969095, 19845475]

約数ペア:

[(1, 19845475), (5, 3969095), (13, 1526575), (25, 793819), (65, 305315), (227, 87425), (269, 73775), (325, 61063), (1135, 17485), (1345, 14755), (2951, 6725), (3497, 5675)]