17991252

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{907}}^1$

素因数の和:965

約数の個数: 72

約数和(自身を含む): 49576800

約数和(自身を除く): 31585548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 87, 114, 116, 171, 174, 228, 261, 342, 348, 522, 551, 684, 907, 1044, 1102, 1653, 1814, 2204, 2721, 3306, 3628, 4959, 5442, 6612, 8163, 9918, 10884, 16326, 17233, 19836, 26303, 32652, 34466, 51699, 52606, 68932, 78909, 103398, 105212, 155097, 157818, 206796, 236727, 310194, 315636, 473454, 499757, 620388, 946908, 999514, 1499271, 1999028, 2998542, 4497813, 5997084, 8995626, 17991252]

約数ペア:

[(1, 17991252), (2, 8995626), (3, 5997084), (4, 4497813), (6, 2998542), (9, 1999028), (12, 1499271), (18, 999514), (19, 946908), (29, 620388), (36, 499757), (38, 473454), (57, 315636), (58, 310194), (76, 236727), (87, 206796), (114, 157818), (116, 155097), (171, 105212), (174, 103398), (228, 78909), (261, 68932), (342, 52606), (348, 51699), (522, 34466), (551, 32652), (684, 26303), (907, 19836), (1044, 17233), (1102, 16326), (1653, 10884), (1814, 9918), (2204, 8163), (2721, 6612), (3306, 5442), (3628, 4959)]