18751180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{887}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 45351936

約数和(自身を除く): 26600756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 887, 1057, 1510, 1774, 2114, 3020, 3548, 4228, 4435, 5285, 6209, 8870, 10570, 12418, 17740, 21140, 24836, 31045, 62090, 124180, 133937, 267874, 535748, 669685, 937559, 1339370, 1875118, 2678740, 3750236, 4687795, 9375590, 18751180]

約数ペア:

[(1, 18751180), (2, 9375590), (4, 4687795), (5, 3750236), (7, 2678740), (10, 1875118), (14, 1339370), (20, 937559), (28, 669685), (35, 535748), (70, 267874), (140, 133937), (151, 124180), (302, 62090), (604, 31045), (755, 24836), (887, 21140), (1057, 17740), (1510, 12418), (1774, 10570), (2114, 8870), (3020, 6209), (3548, 5285), (4228, 4435)]