18707425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1153}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 25757280

約数和(自身を除く): 7049855

約数列:

[1, 5, 11, 25, 55, 59, 275, 295, 649, 1153, 1475, 3245, 5765, 12683, 16225, 28825, 63415, 68027, 317075, 340135, 748297, 1700675, 3741485, 18707425]

約数ペア:

[(1, 18707425), (5, 3741485), (11, 1700675), (25, 748297), (55, 340135), (59, 317075), (275, 68027), (295, 63415), (649, 28825), (1153, 16225), (1475, 12683), (3245, 5765)]