18729963

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5039}}^1$

素因数の和:5111

約数の個数: 24

約数和(自身を含む): 31449600

約数和(自身を除く): 12719637

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 5039, 15117, 35273, 45351, 105819, 297301, 317457, 891903, 2081107, 2675709, 6243321, 18729963]

約数ペア:

[(1, 18729963), (3, 6243321), (7, 2675709), (9, 2081107), (21, 891903), (59, 317457), (63, 297301), (177, 105819), (413, 45351), (531, 35273), (1239, 15117), (3717, 5039)]