18634707

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 33761728

約数和(自身を除く): 15127021

約数列:

[1, 3, 7, 9, 13, 21, 39, 61, 63, 91, 117, 183, 273, 373, 427, 549, 793, 819, 1119, 1281, 2379, 2611, 3357, 3843, 4849, 5551, 7137, 7833, 14547, 16653, 22753, 23499, 33943, 43641, 49959, 68259, 101829, 159271, 204777, 295789, 305487, 477813, 887367, 1433439, 2070523, 2662101, 6211569, 18634707]

約数ペア:

[(1, 18634707), (3, 6211569), (7, 2662101), (9, 2070523), (13, 1433439), (21, 887367), (39, 477813), (61, 305487), (63, 295789), (91, 204777), (117, 159271), (183, 101829), (273, 68259), (373, 49959), (427, 43641), (549, 33943), (793, 23499), (819, 22753), (1119, 16653), (1281, 14547), (2379, 7833), (2611, 7137), (3357, 5551), (3843, 4849)]