1918190425

素因数分解:

$5^2\times {\mathrm{131}}^1\times {\mathrm{293}}^1\times {\mathrm{1999}}^1$

素因数の和:2433

約数の個数: 24

約数和(自身を含む): 2406096000

約数和(自身を除く): 487905575

約数列:

[1, 5, 25, 131, 293, 655, 1465, 1999, 3275, 7325, 9995, 38383, 49975, 191915, 261869, 585707, 959575, 1309345, 2928535, 6546725, 14642675, 76727617, 383638085, 1918190425]

約数ペア:

[(1, 1918190425), (5, 383638085), (25, 76727617), (131, 14642675), (293, 6546725), (655, 2928535), (1465, 1309345), (1999, 959575), (3275, 585707), (7325, 261869), (9995, 191915), (38383, 49975)]