19021100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{937}}^1$

素因数の和:987

約数の個数: 72

約数和(自身を含む): 48851040

約数和(自身を除く): 29829940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 290, 350, 406, 580, 700, 725, 812, 937, 1015, 1450, 1874, 2030, 2900, 3748, 4060, 4685, 5075, 6559, 9370, 10150, 13118, 18740, 20300, 23425, 26236, 27173, 32795, 46850, 54346, 65590, 93700, 108692, 131180, 135865, 163975, 190211, 271730, 327950, 380422, 543460, 655900, 679325, 760844, 951055, 1358650, 1902110, 2717300, 3804220, 4755275, 9510550, 19021100]

約数ペア:

[(1, 19021100), (2, 9510550), (4, 4755275), (5, 3804220), (7, 2717300), (10, 1902110), (14, 1358650), (20, 951055), (25, 760844), (28, 679325), (29, 655900), (35, 543460), (50, 380422), (58, 327950), (70, 271730), (100, 190211), (116, 163975), (140, 135865), (145, 131180), (175, 108692), (203, 93700), (290, 65590), (350, 54346), (406, 46850), (580, 32795), (700, 27173), (725, 26236), (812, 23425), (937, 20300), (1015, 18740), (1450, 13118), (1874, 10150), (2030, 9370), (2900, 6559), (3748, 5075), (4060, 4685)]