18556304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89213}}^1$

素因数の和:89234

約数の個数: 20

約数和(自身を含む): 38718876

約数和(自身を除く): 20162572

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89213, 178426, 356852, 713704, 1159769, 1427408, 2319538, 4639076, 9278152, 18556304]

約数ペア:

[(1, 18556304), (2, 9278152), (4, 4639076), (8, 2319538), (13, 1427408), (16, 1159769), (26, 713704), (52, 356852), (104, 178426), (208, 89213)]