19404252

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{25667}}^1$

素因数の和:25687

約数の個数: 48

約数和(自身を含む): 57496320

約数和(自身を除く): 38092068

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 25667, 51334, 77001, 102668, 154002, 179669, 231003, 308004, 359338, 462006, 539007, 693009, 718676, 924012, 1078014, 1386018, 1617021, 2156028, 2772036, 3234042, 4851063, 6468084, 9702126, 19404252]

約数ペア:

[(1, 19404252), (2, 9702126), (3, 6468084), (4, 4851063), (6, 3234042), (7, 2772036), (9, 2156028), (12, 1617021), (14, 1386018), (18, 1078014), (21, 924012), (27, 718676), (28, 693009), (36, 539007), (42, 462006), (54, 359338), (63, 308004), (84, 231003), (108, 179669), (126, 154002), (189, 102668), (252, 77001), (378, 51334), (756, 25667)]