18528032240

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1293857}}^1$

素因数の和:1294049

約数の個数: 40

約数和(自身を含む): 43318365840

約数和(自身を除く): 24790333600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 7160, 14320, 1293857, 2587714, 5175428, 6469285, 10350856, 12938570, 20701712, 25877140, 51754280, 103508560, 231600403, 463200806, 926401612, 1158002015, 1852803224, 2316004030, 3705606448, 4632008060, 9264016120, 18528032240]

約数ペア:

[(1, 18528032240), (2, 9264016120), (4, 4632008060), (5, 3705606448), (8, 2316004030), (10, 1852803224), (16, 1158002015), (20, 926401612), (40, 463200806), (80, 231600403), (179, 103508560), (358, 51754280), (716, 25877140), (895, 20701712), (1432, 12938570), (1790, 10350856), (2864, 6469285), (3580, 5175428), (7160, 2587714), (14320, 1293857)]