18004840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{64303}}^1$

素因数の和:64321

約数の個数: 32

約数和(自身を含む): 46298880

約数和(自身を除く): 28294040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 64303, 128606, 257212, 321515, 450121, 514424, 643030, 900242, 1286060, 1800484, 2250605, 2572120, 3600968, 4501210, 9002420, 18004840]

約数ペア:

[(1, 18004840), (2, 9002420), (4, 4501210), (5, 3600968), (7, 2572120), (8, 2250605), (10, 1800484), (14, 1286060), (20, 900242), (28, 643030), (35, 514424), (40, 450121), (56, 321515), (70, 257212), (140, 128606), (280, 64303)]