18178485

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 32254848

約数和(自身を除く): 14076363

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 101, 169, 195, 213, 303, 355, 505, 507, 845, 923, 1065, 1313, 1515, 2535, 2769, 3939, 4615, 6565, 7171, 11999, 13845, 17069, 19695, 21513, 35855, 35997, 51207, 59995, 85345, 93223, 107565, 179985, 256035, 279669, 466115, 1211899, 1398345, 3635697, 6059495, 18178485]

約数ペア:

[(1, 18178485), (3, 6059495), (5, 3635697), (13, 1398345), (15, 1211899), (39, 466115), (65, 279669), (71, 256035), (101, 179985), (169, 107565), (195, 93223), (213, 85345), (303, 59995), (355, 51207), (505, 35997), (507, 35855), (845, 21513), (923, 19695), (1065, 17069), (1313, 13845), (1515, 11999), (2535, 7171), (2769, 6565), (3939, 4615)]