18713858

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9461}}^1$

素因数の和:9529

約数の個数: 16

約数和(自身を含む): 29975616

約数和(自身を除く): 11261758

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 9461, 18922, 217603, 406823, 435206, 813646, 9356929, 18713858]

約数ペア:

[(1, 18713858), (2, 9356929), (23, 813646), (43, 435206), (46, 406823), (86, 217603), (989, 18922), (1978, 9461)]