19908828

素因数分解:

$2^2\times 3^4\times {\mathrm{43}}^1\times {\mathrm{1429}}^1$

素因数の和:1488

約数の個数: 60

約数和(自身を含む): 53293240

約数和(自身を除く): 33384412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 258, 324, 387, 516, 774, 1161, 1429, 1548, 2322, 2858, 3483, 4287, 4644, 5716, 6966, 8574, 12861, 13932, 17148, 25722, 38583, 51444, 61447, 77166, 115749, 122894, 154332, 184341, 231498, 245788, 368682, 462996, 553023, 737364, 1106046, 1659069, 2212092, 3318138, 4977207, 6636276, 9954414, 19908828]

約数ペア:

[(1, 19908828), (2, 9954414), (3, 6636276), (4, 4977207), (6, 3318138), (9, 2212092), (12, 1659069), (18, 1106046), (27, 737364), (36, 553023), (43, 462996), (54, 368682), (81, 245788), (86, 231498), (108, 184341), (129, 154332), (162, 122894), (172, 115749), (258, 77166), (324, 61447), (387, 51444), (516, 38583), (774, 25722), (1161, 17148), (1429, 13932), (1548, 12861), (2322, 8574), (2858, 6966), (3483, 5716), (4287, 4644)]