19884180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 58423680

約数和(自身を除く): 38539500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 59, 60, 82, 118, 123, 137, 164, 177, 205, 236, 246, 274, 295, 354, 410, 411, 492, 548, 590, 615, 685, 708, 820, 822, 885, 1180, 1230, 1370, 1644, 1770, 2055, 2419, 2460, 2740, 3540, 4110, 4838, 5617, 7257, 8083, 8220, 9676, 11234, 12095, 14514, 16166, 16851, 22468, 24190, 24249, 28085, 29028, 32332, 33702, 36285, 40415, 48380, 48498, 56170, 67404, 72570, 80830, 84255, 96996, 112340, 121245, 145140, 161660, 168510, 242490, 331403, 337020, 484980, 662806, 994209, 1325612, 1657015, 1988418, 3314030, 3976836, 4971045, 6628060, 9942090, 19884180]

約数ペア:

[(1, 19884180), (2, 9942090), (3, 6628060), (4, 4971045), (5, 3976836), (6, 3314030), (10, 1988418), (12, 1657015), (15, 1325612), (20, 994209), (30, 662806), (41, 484980), (59, 337020), (60, 331403), (82, 242490), (118, 168510), (123, 161660), (137, 145140), (164, 121245), (177, 112340), (205, 96996), (236, 84255), (246, 80830), (274, 72570), (295, 67404), (354, 56170), (410, 48498), (411, 48380), (492, 40415), (548, 36285), (590, 33702), (615, 32332), (685, 29028), (708, 28085), (820, 24249), (822, 24190), (885, 22468), (1180, 16851), (1230, 16166), (1370, 14514), (1644, 12095), (1770, 11234), (2055, 9676), (2419, 8220), (2460, 8083), (2740, 7257), (3540, 5617), (4110, 4838)]