18719964

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 51744000

約数和(自身を除く): 33024036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 43, 54, 58, 86, 87, 108, 116, 129, 139, 172, 174, 258, 261, 278, 348, 387, 417, 516, 522, 556, 774, 783, 834, 1044, 1161, 1247, 1251, 1548, 1566, 1668, 2322, 2494, 2502, 3132, 3741, 3753, 4031, 4644, 4988, 5004, 5977, 7482, 7506, 8062, 11223, 11954, 12093, 14964, 15012, 16124, 17931, 22446, 23908, 24186, 33669, 35862, 36279, 44892, 48372, 53793, 67338, 71724, 72558, 107586, 108837, 134676, 145116, 161379, 173333, 215172, 217674, 322758, 346666, 435348, 519999, 645516, 693332, 1039998, 1559997, 2079996, 3119994, 4679991, 6239988, 9359982, 18719964]

約数ペア:

[(1, 18719964), (2, 9359982), (3, 6239988), (4, 4679991), (6, 3119994), (9, 2079996), (12, 1559997), (18, 1039998), (27, 693332), (29, 645516), (36, 519999), (43, 435348), (54, 346666), (58, 322758), (86, 217674), (87, 215172), (108, 173333), (116, 161379), (129, 145116), (139, 134676), (172, 108837), (174, 107586), (258, 72558), (261, 71724), (278, 67338), (348, 53793), (387, 48372), (417, 44892), (516, 36279), (522, 35862), (556, 33669), (774, 24186), (783, 23908), (834, 22446), (1044, 17931), (1161, 16124), (1247, 15012), (1251, 14964), (1548, 12093), (1566, 11954), (1668, 11223), (2322, 8062), (2494, 7506), (2502, 7482), (3132, 5977), (3741, 5004), (3753, 4988), (4031, 4644)]