199945094

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{20963}}^1$

素因数の和:21235

約数の個数: 16

約数和(自身を含む): 316975680

約数和(自身を除く): 117030586

約数列:

[1, 2, 19, 38, 251, 502, 4769, 9538, 20963, 41926, 398297, 796594, 5261713, 10523426, 99972547, 199945094]

約数ペア:

[(1, 199945094), (2, 99972547), (19, 10523426), (38, 5261713), (251, 796594), (502, 398297), (4769, 41926), (9538, 20963)]