19556754

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{277}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 45983424

約数和(自身を除く): 26426670

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 277, 287, 554, 574, 831, 861, 1662, 1681, 1722, 1939, 3362, 3878, 5043, 5817, 10086, 11357, 11634, 11767, 22714, 23534, 34071, 35301, 68142, 70602, 79499, 158998, 238497, 465637, 476994, 931274, 1396911, 2793822, 3259459, 6518918, 9778377, 19556754]

約数ペア:

[(1, 19556754), (2, 9778377), (3, 6518918), (6, 3259459), (7, 2793822), (14, 1396911), (21, 931274), (41, 476994), (42, 465637), (82, 238497), (123, 158998), (246, 79499), (277, 70602), (287, 68142), (554, 35301), (574, 34071), (831, 23534), (861, 22714), (1662, 11767), (1681, 11634), (1722, 11357), (1939, 10086), (3362, 5817), (3878, 5043)]