18683259

素因数分解:

$3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{853}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 29206800

約数和(自身を除く): 10523541

約数列:

[1, 3, 7, 21, 49, 147, 149, 447, 853, 1043, 2559, 3129, 5971, 7301, 17913, 21903, 41797, 125391, 127097, 381291, 889679, 2669037, 6227753, 18683259]

約数ペア:

[(1, 18683259), (3, 6227753), (7, 2669037), (21, 889679), (49, 381291), (147, 127097), (149, 125391), (447, 41797), (853, 21903), (1043, 17913), (2559, 7301), (3129, 5971)]