18912144

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:352

約数の個数: 80

約数和(自身を含む): 52228800

約数和(自身を除く): 33316656

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 89, 114, 152, 178, 228, 233, 267, 304, 356, 456, 466, 534, 699, 712, 912, 932, 1068, 1398, 1424, 1691, 1864, 2136, 2796, 3382, 3728, 4272, 4427, 5073, 5592, 6764, 8854, 10146, 11184, 13281, 13528, 17708, 20292, 20737, 26562, 27056, 35416, 40584, 41474, 53124, 62211, 70832, 81168, 82948, 106248, 124422, 165896, 212496, 248844, 331792, 394003, 497688, 788006, 995376, 1182009, 1576012, 2364018, 3152024, 4728036, 6304048, 9456072, 18912144]

約数ペア:

[(1, 18912144), (2, 9456072), (3, 6304048), (4, 4728036), (6, 3152024), (8, 2364018), (12, 1576012), (16, 1182009), (19, 995376), (24, 788006), (38, 497688), (48, 394003), (57, 331792), (76, 248844), (89, 212496), (114, 165896), (152, 124422), (178, 106248), (228, 82948), (233, 81168), (267, 70832), (304, 62211), (356, 53124), (456, 41474), (466, 40584), (534, 35416), (699, 27056), (712, 26562), (912, 20737), (932, 20292), (1068, 17708), (1398, 13528), (1424, 13281), (1691, 11184), (1864, 10146), (2136, 8854), (2796, 6764), (3382, 5592), (3728, 5073), (4272, 4427)]