209219944

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1376447}}^1$

素因数の和:1376472

約数の個数: 16

約数和(自身を含む): 412934400

約数和(自身を除く): 203714456

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1376447, 2752894, 5505788, 11011576, 26152493, 52304986, 104609972, 209219944]

約数ペア:

[(1, 209219944), (2, 104609972), (4, 52304986), (8, 26152493), (19, 11011576), (38, 5505788), (76, 2752894), (152, 1376447)]