19692475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{709}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 26940240

約数和(自身を除く): 7247765

約数列:

[1, 5, 11, 25, 55, 101, 275, 505, 709, 1111, 2525, 3545, 5555, 7799, 17725, 27775, 38995, 71609, 194975, 358045, 787699, 1790225, 3938495, 19692475]

約数ペア:

[(1, 19692475), (5, 3938495), (11, 1790225), (25, 787699), (55, 358045), (101, 194975), (275, 71609), (505, 38995), (709, 27775), (1111, 17725), (2525, 7799), (3545, 5555)]