18380206

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4337}}^1$

素因数の和:4515

約数の個数: 16

約数和(自身を含む): 29880144

約数和(自身を除く): 11499938

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 4337, 8674, 56381, 112762, 706931, 1413862, 9190103, 18380206]

約数ペア:

[(1, 18380206), (2, 9190103), (13, 1413862), (26, 706931), (163, 112762), (326, 56381), (2119, 8674), (4238, 4337)]