18422172

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1171}}^1$

素因数の和:1223

約数の個数: 72

約数和(自身を含む): 51192960

約数和(自身を除く): 32770788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 414, 437, 684, 828, 874, 1171, 1311, 1748, 2342, 2622, 3513, 3933, 4684, 5244, 7026, 7866, 10539, 14052, 15732, 21078, 22249, 26933, 42156, 44498, 53866, 66747, 80799, 88996, 107732, 133494, 161598, 200241, 242397, 266988, 323196, 400482, 484794, 511727, 800964, 969588, 1023454, 1535181, 2046908, 3070362, 4605543, 6140724, 9211086, 18422172]

約数ペア:

[(1, 18422172), (2, 9211086), (3, 6140724), (4, 4605543), (6, 3070362), (9, 2046908), (12, 1535181), (18, 1023454), (19, 969588), (23, 800964), (36, 511727), (38, 484794), (46, 400482), (57, 323196), (69, 266988), (76, 242397), (92, 200241), (114, 161598), (138, 133494), (171, 107732), (207, 88996), (228, 80799), (276, 66747), (342, 53866), (414, 44498), (437, 42156), (684, 26933), (828, 22249), (874, 21078), (1171, 15732), (1311, 14052), (1748, 10539), (2342, 7866), (2622, 7026), (3513, 5244), (3933, 4684)]