19324188

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 53141088

約数和(自身を除く): 33816900

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 157, 234, 263, 314, 468, 471, 526, 628, 789, 942, 1052, 1413, 1578, 1884, 2041, 2367, 2826, 3156, 3419, 4082, 4734, 5652, 6123, 6838, 8164, 9468, 10257, 12246, 13676, 18369, 20514, 24492, 30771, 36738, 41028, 41291, 61542, 73476, 82582, 123084, 123873, 165164, 247746, 371619, 495492, 536783, 743238, 1073566, 1486476, 1610349, 2147132, 3220698, 4831047, 6441396, 9662094, 19324188]

約数ペア:

[(1, 19324188), (2, 9662094), (3, 6441396), (4, 4831047), (6, 3220698), (9, 2147132), (12, 1610349), (13, 1486476), (18, 1073566), (26, 743238), (36, 536783), (39, 495492), (52, 371619), (78, 247746), (117, 165164), (156, 123873), (157, 123084), (234, 82582), (263, 73476), (314, 61542), (468, 41291), (471, 41028), (526, 36738), (628, 30771), (789, 24492), (942, 20514), (1052, 18369), (1413, 13676), (1578, 12246), (1884, 10257), (2041, 9468), (2367, 8164), (2826, 6838), (3156, 6123), (3419, 5652), (4082, 4734)]