18745475

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6301}}^1$

素因数の和:6335

約数の個数: 24

約数和(自身を含む): 28132128

約数和(自身を除く): 9386653

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 6301, 31505, 44107, 107117, 157525, 220535, 535585, 749819, 1102675, 2677925, 3749095, 18745475]

約数ペア:

[(1, 18745475), (5, 3749095), (7, 2677925), (17, 1102675), (25, 749819), (35, 535585), (85, 220535), (119, 157525), (175, 107117), (425, 44107), (595, 31505), (2975, 6301)]