18804976

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{4243}}^1$

素因数の和:4528

約数の個数: 20

約数和(自身を含む): 36574792

約数和(自身を除く): 17769816

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4243, 4432, 8486, 16972, 33944, 67888, 1175311, 2350622, 4701244, 9402488, 18804976]

約数ペア:

[(1, 18804976), (2, 9402488), (4, 4701244), (8, 2350622), (16, 1175311), (277, 67888), (554, 33944), (1108, 16972), (2216, 8486), (4243, 4432)]