18427675

素因数分解:

$5^2\times 7^4\times {\mathrm{307}}^1$

素因数の和:345

約数の個数: 30

約数和(自身を含む): 26743948

約数和(自身を除く): 8316273

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 307, 343, 1225, 1535, 1715, 2149, 2401, 7675, 8575, 10745, 12005, 15043, 53725, 60025, 75215, 105301, 376075, 526505, 737107, 2632525, 3685535, 18427675]

約数ペア:

[(1, 18427675), (5, 3685535), (7, 2632525), (25, 737107), (35, 526505), (49, 376075), (175, 105301), (245, 75215), (307, 60025), (343, 53725), (1225, 15043), (1535, 12005), (1715, 10745), (2149, 8575), (2401, 7675)]