209836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 423360

約数和(自身を除く): 213524

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 251, 418, 502, 836, 1004, 2761, 4769, 5522, 9538, 11044, 19076, 52459, 104918, 209836]

約数ペア:

[(1, 209836), (2, 104918), (4, 52459), (11, 19076), (19, 11044), (22, 9538), (38, 5522), (44, 4769), (76, 2761), (209, 1004), (251, 836), (418, 502)]