18240431

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 20736000

約数和(自身を除く): 2495569

約数列:

[1, 11, 31, 149, 341, 359, 1639, 3949, 4619, 11129, 50809, 53491, 122419, 588401, 1658221, 18240431]

約数ペア:

[(1, 18240431), (11, 1658221), (31, 588401), (149, 122419), (341, 53491), (359, 50809), (1639, 11129), (3949, 4619)]