19115532

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 50459136

約数和(自身を除く): 31343604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 113, 127, 148, 222, 226, 254, 333, 339, 381, 444, 452, 508, 666, 678, 762, 1017, 1143, 1332, 1356, 1524, 2034, 2286, 4068, 4181, 4572, 4699, 8362, 9398, 12543, 14097, 14351, 16724, 18796, 25086, 28194, 28702, 37629, 42291, 43053, 50172, 56388, 57404, 75258, 84582, 86106, 129159, 150516, 169164, 172212, 258318, 516636, 530987, 1061974, 1592961, 2123948, 3185922, 4778883, 6371844, 9557766, 19115532]

約数ペア:

[(1, 19115532), (2, 9557766), (3, 6371844), (4, 4778883), (6, 3185922), (9, 2123948), (12, 1592961), (18, 1061974), (36, 530987), (37, 516636), (74, 258318), (111, 172212), (113, 169164), (127, 150516), (148, 129159), (222, 86106), (226, 84582), (254, 75258), (333, 57404), (339, 56388), (381, 50172), (444, 43053), (452, 42291), (508, 37629), (666, 28702), (678, 28194), (762, 25086), (1017, 18796), (1143, 16724), (1332, 14351), (1356, 14097), (1524, 12543), (2034, 9398), (2286, 8362), (4068, 4699), (4181, 4572)]