18513105

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 32852160

約数和(自身を除く): 14339055

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 109, 169, 195, 201, 327, 335, 507, 545, 845, 871, 1005, 1417, 1635, 2535, 2613, 4251, 4355, 7085, 7303, 11323, 13065, 18421, 21255, 21909, 33969, 36515, 55263, 56615, 92105, 94939, 109545, 169845, 276315, 284817, 474695, 1234207, 1424085, 3702621, 6171035, 18513105]

約数ペア:

[(1, 18513105), (3, 6171035), (5, 3702621), (13, 1424085), (15, 1234207), (39, 474695), (65, 284817), (67, 276315), (109, 169845), (169, 109545), (195, 94939), (201, 92105), (327, 56615), (335, 55263), (507, 36515), (545, 33969), (845, 21909), (871, 21255), (1005, 18421), (1417, 13065), (1635, 11323), (2535, 7303), (2613, 7085), (4251, 4355)]