19979028

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{6379}}^1$

素因数の和:6421

約数の個数: 48

約数和(自身を含む): 53592000

約数和(自身を除く): 33612972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 87, 108, 116, 174, 261, 348, 522, 783, 1044, 1566, 3132, 6379, 12758, 19137, 25516, 38274, 57411, 76548, 114822, 172233, 184991, 229644, 344466, 369982, 554973, 688932, 739964, 1109946, 1664919, 2219892, 3329838, 4994757, 6659676, 9989514, 19979028]

約数ペア:

[(1, 19979028), (2, 9989514), (3, 6659676), (4, 4994757), (6, 3329838), (9, 2219892), (12, 1664919), (18, 1109946), (27, 739964), (29, 688932), (36, 554973), (54, 369982), (58, 344466), (87, 229644), (108, 184991), (116, 172233), (174, 114822), (261, 76548), (348, 57411), (522, 38274), (783, 25516), (1044, 19137), (1566, 12758), (3132, 6379)]