2019913890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{2609}}^1$

素因数の和:2947

約数の個数: 64

約数和(自身を含む): 4911477120

約数和(自身を除く): 2891563230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 197, 262, 393, 394, 591, 655, 786, 985, 1182, 1310, 1965, 1970, 2609, 2955, 3930, 5218, 5910, 7827, 13045, 15654, 25807, 26090, 39135, 51614, 77421, 78270, 129035, 154842, 258070, 341779, 387105, 513973, 683558, 774210, 1025337, 1027946, 1541919, 1708895, 2050674, 2569865, 3083838, 3417790, 5126685, 5139730, 7709595, 10253370, 15419190, 67330463, 134660926, 201991389, 336652315, 403982778, 673304630, 1009956945, 2019913890]

約数ペア:

[(1, 2019913890), (2, 1009956945), (3, 673304630), (5, 403982778), (6, 336652315), (10, 201991389), (15, 134660926), (30, 67330463), (131, 15419190), (197, 10253370), (262, 7709595), (393, 5139730), (394, 5126685), (591, 3417790), (655, 3083838), (786, 2569865), (985, 2050674), (1182, 1708895), (1310, 1541919), (1965, 1027946), (1970, 1025337), (2609, 774210), (2955, 683558), (3930, 513973), (5218, 387105), (5910, 341779), (7827, 258070), (13045, 154842), (15654, 129035), (25807, 78270), (26090, 77421), (39135, 51614)]