18368571

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 27720000

約数和(自身を除く): 9351429

約数列:

[1, 3, 13, 29, 39, 87, 109, 149, 327, 377, 447, 1131, 1417, 1937, 3161, 4251, 4321, 5811, 9483, 12963, 16241, 41093, 48723, 56173, 123279, 168519, 211133, 470989, 633399, 1412967, 6122857, 18368571]

約数ペア:

[(1, 18368571), (3, 6122857), (13, 1412967), (29, 633399), (39, 470989), (87, 211133), (109, 168519), (149, 123279), (327, 56173), (377, 48723), (447, 41093), (1131, 16241), (1417, 12963), (1937, 9483), (3161, 5811), (4251, 4321)]