19910814

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:701

約数の個数: 64

約数和(自身を含む): 50429952

約数和(自身を除く): 30519138

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 71, 77, 142, 154, 213, 231, 426, 462, 497, 607, 781, 994, 1214, 1491, 1562, 1821, 2343, 2982, 3642, 4249, 4686, 5467, 6677, 8498, 10934, 12747, 13354, 16401, 20031, 25494, 32802, 40062, 43097, 46739, 86194, 93478, 129291, 140217, 258582, 280434, 301679, 474067, 603358, 905037, 948134, 1422201, 1810074, 2844402, 3318469, 6636938, 9955407, 19910814]

約数ペア:

[(1, 19910814), (2, 9955407), (3, 6636938), (6, 3318469), (7, 2844402), (11, 1810074), (14, 1422201), (21, 948134), (22, 905037), (33, 603358), (42, 474067), (66, 301679), (71, 280434), (77, 258582), (142, 140217), (154, 129291), (213, 93478), (231, 86194), (426, 46739), (462, 43097), (497, 40062), (607, 32802), (781, 25494), (994, 20031), (1214, 16401), (1491, 13354), (1562, 12747), (1821, 10934), (2343, 8498), (2982, 6677), (3642, 5467), (4249, 4686)]