18757053

素因数分解:

$3^2\times 7^2\times {\mathrm{42533}}^1$

素因数の和:42553

約数の個数: 18

約数和(自身を含む): 31517694

約数和(自身を除く): 12760641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 42533, 127599, 297731, 382797, 893193, 2084117, 2679579, 6252351, 18757053]

約数ペア:

[(1, 18757053), (3, 6252351), (7, 2679579), (9, 2084117), (21, 893193), (49, 382797), (63, 297731), (147, 127599), (441, 42533)]