18217899

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2351}}^1$

素因数の和:2408

約数の個数: 32

約数和(自身を含む): 31610880

約数和(自身を除く): 13392981

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2351, 2583, 7053, 7749, 16457, 21159, 49371, 63477, 96391, 148113, 289173, 444339, 674737, 867519, 2024211, 2602557, 6072633, 18217899]

約数ペア:

[(1, 18217899), (3, 6072633), (7, 2602557), (9, 2024211), (21, 867519), (27, 674737), (41, 444339), (63, 289173), (123, 148113), (189, 96391), (287, 63477), (369, 49371), (861, 21159), (1107, 16457), (2351, 7749), (2583, 7053)]