18032840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{64403}}^1$

素因数の和:64421

約数の個数: 32

約数和(自身を含む): 46370880

約数和(自身を除く): 28338040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 64403, 128806, 257612, 322015, 450821, 515224, 644030, 901642, 1288060, 1803284, 2254105, 2576120, 3606568, 4508210, 9016420, 18032840]

約数ペア:

[(1, 18032840), (2, 9016420), (4, 4508210), (5, 3606568), (7, 2576120), (8, 2254105), (10, 1803284), (14, 1288060), (20, 901642), (28, 644030), (35, 515224), (40, 450821), (56, 322015), (70, 257612), (140, 128806), (280, 64403)]