18914460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1319}}^1$

素因数の和:1570

約数の個数: 48

約数和(自身を含む): 53222400

約数和(自身を除く): 34307940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 956, 1195, 1319, 1434, 2390, 2638, 2868, 3585, 3957, 4780, 5276, 6595, 7170, 7914, 13190, 14340, 15828, 19785, 26380, 39570, 79140, 315241, 630482, 945723, 1260964, 1576205, 1891446, 3152410, 3782892, 4728615, 6304820, 9457230, 18914460]

約数ペア:

[(1, 18914460), (2, 9457230), (3, 6304820), (4, 4728615), (5, 3782892), (6, 3152410), (10, 1891446), (12, 1576205), (15, 1260964), (20, 945723), (30, 630482), (60, 315241), (239, 79140), (478, 39570), (717, 26380), (956, 19785), (1195, 15828), (1319, 14340), (1434, 13190), (2390, 7914), (2638, 7170), (2868, 6595), (3585, 5276), (3957, 4780)]