18840894

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 23495106

約数列:

[1, 2, 3, 6, 19, 29, 38, 41, 57, 58, 82, 87, 114, 123, 139, 174, 246, 278, 417, 551, 779, 834, 1102, 1189, 1558, 1653, 2337, 2378, 2641, 3306, 3567, 4031, 4674, 5282, 5699, 7134, 7923, 8062, 11398, 12093, 15846, 17097, 22591, 24186, 34194, 45182, 67773, 76589, 108281, 135546, 153178, 165271, 216562, 229767, 324843, 330542, 459534, 495813, 649686, 991626, 3140149, 6280298, 9420447, 18840894]

約数ペア:

[(1, 18840894), (2, 9420447), (3, 6280298), (6, 3140149), (19, 991626), (29, 649686), (38, 495813), (41, 459534), (57, 330542), (58, 324843), (82, 229767), (87, 216562), (114, 165271), (123, 153178), (139, 135546), (174, 108281), (246, 76589), (278, 67773), (417, 45182), (551, 34194), (779, 24186), (834, 22591), (1102, 17097), (1189, 15846), (1558, 12093), (1653, 11398), (2337, 8062), (2378, 7923), (2641, 7134), (3306, 5699), (3567, 5282), (4031, 4674)]