209220913

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{9719}}^1$

素因数の和:9852

約数の個数: 16

約数和(自身を含む): 242611200

約数和(自身を除く): 33390287

約数列:

[1, 11, 19, 103, 209, 1133, 1957, 9719, 21527, 106909, 184661, 1001057, 2031271, 11011627, 19020083, 209220913]

約数ペア:

[(1, 209220913), (11, 19020083), (19, 11011627), (103, 2031271), (209, 1001057), (1133, 184661), (1957, 106909), (9719, 21527)]