19811550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12007}}^1$

素因数の和:12033

約数の個数: 48

約数和(自身を含む): 53603712

約数和(自身を除く): 33792162

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 12007, 24014, 36021, 60035, 72042, 120070, 132077, 180105, 264154, 300175, 360210, 396231, 600350, 660385, 792462, 900525, 1320770, 1801050, 1981155, 3301925, 3962310, 6603850, 9905775, 19811550]

約数ペア:

[(1, 19811550), (2, 9905775), (3, 6603850), (5, 3962310), (6, 3301925), (10, 1981155), (11, 1801050), (15, 1320770), (22, 900525), (25, 792462), (30, 660385), (33, 600350), (50, 396231), (55, 360210), (66, 300175), (75, 264154), (110, 180105), (150, 132077), (165, 120070), (275, 72042), (330, 60035), (550, 36021), (825, 24014), (1650, 12007)]