19839778

素因数分解:

$2^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{3643}}^1$

素因数の和:4041

約数の個数: 16

約数和(自身を含む): 34107840

約数和(自身を除く): 14268062

約数列:

[1, 2, 7, 14, 389, 778, 2723, 3643, 5446, 7286, 25501, 51002, 1417127, 2834254, 9919889, 19839778]

約数ペア:

[(1, 19839778), (2, 9919889), (7, 2834254), (14, 1417127), (389, 51002), (778, 25501), (2723, 7286), (3643, 5446)]