19511968

素因数分解:

$2^5\times 7^1\times {\mathrm{87107}}^1$

素因数の和:87124

約数の個数: 24

約数和(自身を含む): 43902432

約数和(自身を除く): 24390464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 87107, 174214, 348428, 609749, 696856, 1219498, 1393712, 2438996, 2787424, 4877992, 9755984, 19511968]

約数ペア:

[(1, 19511968), (2, 9755984), (4, 4877992), (7, 2787424), (8, 2438996), (14, 1393712), (16, 1219498), (28, 696856), (32, 609749), (56, 348428), (112, 174214), (224, 87107)]