19830800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4507}}^1$

素因数の和:4536

約数の個数: 60

約数和(自身を含む): 51986256

約数和(自身を除く): 32155456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 4507, 9014, 18028, 22535, 36056, 45070, 49577, 72112, 90140, 99154, 112675, 180280, 198308, 225350, 247885, 360560, 396616, 450700, 495770, 793232, 901400, 991540, 1239425, 1802800, 1983080, 2478850, 3966160, 4957700, 9915400, 19830800]

約数ペア:

[(1, 19830800), (2, 9915400), (4, 4957700), (5, 3966160), (8, 2478850), (10, 1983080), (11, 1802800), (16, 1239425), (20, 991540), (22, 901400), (25, 793232), (40, 495770), (44, 450700), (50, 396616), (55, 360560), (80, 247885), (88, 225350), (100, 198308), (110, 180280), (176, 112675), (200, 99154), (220, 90140), (275, 72112), (400, 49577), (440, 45070), (550, 36056), (880, 22535), (1100, 18028), (2200, 9014), (4400, 4507)]