18306477

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4337}}^1$

素因数の和:4417

約数の個数: 24

約数和(自身を含む): 30678336

約数和(自身を除く): 12371859

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 4337, 13011, 30359, 39033, 91077, 273231, 290579, 871737, 2034053, 2615211, 6102159, 18306477]

約数ペア:

[(1, 18306477), (3, 6102159), (7, 2615211), (9, 2034053), (21, 871737), (63, 290579), (67, 273231), (201, 91077), (469, 39033), (603, 30359), (1407, 13011), (4221, 4337)]