18503901

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1777}}^1$

素因数の和:1885

約数の個数: 24

約数和(自身を含む): 29123640

約数和(自身を除く): 10619739

約数列:

[1, 3, 9, 13, 39, 89, 117, 267, 801, 1157, 1777, 3471, 5331, 10413, 15993, 23101, 69303, 158153, 207909, 474459, 1423377, 2055989, 6167967, 18503901]

約数ペア:

[(1, 18503901), (3, 6167967), (9, 2055989), (13, 1423377), (39, 474459), (89, 207909), (117, 158153), (267, 69303), (801, 23101), (1157, 15993), (1777, 10413), (3471, 5331)]