2111945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:125

約数の個数: 32

約数和(自身を含む): 3041280

約数和(自身を除く): 929335

約数列:

[1, 5, 11, 19, 43, 47, 55, 95, 209, 215, 235, 473, 517, 817, 893, 1045, 2021, 2365, 2585, 4085, 4465, 8987, 9823, 10105, 22231, 38399, 44935, 49115, 111155, 191995, 422389, 2111945]

約数ペア:

[(1, 2111945), (5, 422389), (11, 191995), (19, 111155), (43, 49115), (47, 44935), (55, 38399), (95, 22231), (209, 10105), (215, 9823), (235, 8987), (473, 4465), (517, 4085), (817, 2585), (893, 2365), (1045, 2021)]