18195825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{113}}^2$

素因数の和:258

約数の個数: 36

約数和(自身を含む): 31949840

約数和(自身を除く): 13754015

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 113, 285, 339, 475, 565, 1425, 1695, 2147, 2825, 6441, 8475, 10735, 12769, 32205, 38307, 53675, 63845, 161025, 191535, 242611, 319225, 727833, 957675, 1213055, 3639165, 6065275, 18195825]

約数ペア:

[(1, 18195825), (3, 6065275), (5, 3639165), (15, 1213055), (19, 957675), (25, 727833), (57, 319225), (75, 242611), (95, 191535), (113, 161025), (285, 63845), (339, 53675), (475, 38307), (565, 32205), (1425, 12769), (1695, 10735), (2147, 8475), (2825, 6441)]