19858762

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:667

約数の個数: 48

約数和(自身を含む): 39453120

約数和(自身を除く): 19594358

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 121, 133, 154, 209, 242, 266, 418, 617, 847, 1234, 1463, 1694, 2299, 2926, 4319, 4598, 6787, 8638, 11723, 13574, 16093, 23446, 32186, 47509, 74657, 82061, 95018, 128953, 149314, 164122, 257906, 522599, 902671, 1045198, 1418483, 1805342, 2836966, 9929381, 19858762]

約数ペア:

[(1, 19858762), (2, 9929381), (7, 2836966), (11, 1805342), (14, 1418483), (19, 1045198), (22, 902671), (38, 522599), (77, 257906), (121, 164122), (133, 149314), (154, 128953), (209, 95018), (242, 82061), (266, 74657), (418, 47509), (617, 32186), (847, 23446), (1234, 16093), (1463, 13574), (1694, 11723), (2299, 8638), (2926, 6787), (4319, 4598)]