18450411

素因数分解:

$3^1\times 7^2\times {\mathrm{313}}^1\times {\mathrm{401}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 28779984

約数和(自身を除く): 10329573

約数列:

[1, 3, 7, 21, 49, 147, 313, 401, 939, 1203, 2191, 2807, 6573, 8421, 15337, 19649, 46011, 58947, 125513, 376539, 878591, 2635773, 6150137, 18450411]

約数ペア:

[(1, 18450411), (3, 6150137), (7, 2635773), (21, 878591), (49, 376539), (147, 125513), (313, 58947), (401, 46011), (939, 19649), (1203, 15337), (2191, 8421), (2807, 6573)]