18177939

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:369

約数の個数: 40

約数和(自身を含む): 29827952

約数和(自身を除く): 11650013

約数列:

[1, 3, 9, 13, 27, 39, 61, 81, 117, 183, 283, 351, 549, 793, 849, 1053, 1647, 2379, 2547, 3679, 4941, 7137, 7641, 11037, 17263, 21411, 22923, 33111, 51789, 64233, 99333, 155367, 224419, 297999, 466101, 673257, 1398303, 2019771, 6059313, 18177939]

約数ペア:

[(1, 18177939), (3, 6059313), (9, 2019771), (13, 1398303), (27, 673257), (39, 466101), (61, 297999), (81, 224419), (117, 155367), (183, 99333), (283, 64233), (351, 51789), (549, 33111), (793, 22923), (849, 21411), (1053, 17263), (1647, 11037), (2379, 7641), (2547, 7137), (3679, 4941)]