19749422

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{499}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 37152000

約数和(自身を除く): 17402578

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 257, 499, 514, 998, 1799, 2827, 3493, 3598, 5489, 5654, 6986, 10978, 19789, 38423, 39578, 76846, 128243, 256486, 897701, 1410673, 1795402, 2821346, 9874711, 19749422]

約数ペア:

[(1, 19749422), (2, 9874711), (7, 2821346), (11, 1795402), (14, 1410673), (22, 897701), (77, 256486), (154, 128243), (257, 76846), (499, 39578), (514, 38423), (998, 19789), (1799, 10978), (2827, 6986), (3493, 5654), (3598, 5489)]