18986640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79111}}^1$

素因数の和:79127

約数の個数: 40

約数和(自身を含む): 58859328

約数和(自身を除く): 39872688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 79111, 158222, 237333, 316444, 395555, 474666, 632888, 791110, 949332, 1186665, 1265776, 1582220, 1898664, 2373330, 3164440, 3797328, 4746660, 6328880, 9493320, 18986640]

約数ペア:

[(1, 18986640), (2, 9493320), (3, 6328880), (4, 4746660), (5, 3797328), (6, 3164440), (8, 2373330), (10, 1898664), (12, 1582220), (15, 1265776), (16, 1186665), (20, 949332), (24, 791110), (30, 632888), (40, 474666), (48, 395555), (60, 316444), (80, 237333), (120, 158222), (240, 79111)]