19669788

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 52962000

約数和(自身を除く): 33292212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 149, 171, 193, 228, 298, 342, 386, 447, 579, 596, 684, 772, 894, 1158, 1341, 1737, 1788, 2316, 2682, 2831, 3474, 3667, 5364, 5662, 6948, 7334, 8493, 11001, 11324, 14668, 16986, 22002, 25479, 28757, 33003, 33972, 44004, 50958, 57514, 66006, 86271, 101916, 115028, 132012, 172542, 258813, 345084, 517626, 546383, 1035252, 1092766, 1639149, 2185532, 3278298, 4917447, 6556596, 9834894, 19669788]

約数ペア:

[(1, 19669788), (2, 9834894), (3, 6556596), (4, 4917447), (6, 3278298), (9, 2185532), (12, 1639149), (18, 1092766), (19, 1035252), (36, 546383), (38, 517626), (57, 345084), (76, 258813), (114, 172542), (149, 132012), (171, 115028), (193, 101916), (228, 86271), (298, 66006), (342, 57514), (386, 50958), (447, 44004), (579, 33972), (596, 33003), (684, 28757), (772, 25479), (894, 22002), (1158, 16986), (1341, 14668), (1737, 11324), (1788, 11001), (2316, 8493), (2682, 7334), (2831, 6948), (3474, 5662), (3667, 5364)]