18622520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{66509}}^1$

素因数の和:66527

約数の個数: 32

約数和(自身を含む): 47887200

約数和(自身を除く): 29264680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 66509, 133018, 266036, 332545, 465563, 532072, 665090, 931126, 1330180, 1862252, 2327815, 2660360, 3724504, 4655630, 9311260, 18622520]

約数ペア:

[(1, 18622520), (2, 9311260), (4, 4655630), (5, 3724504), (7, 2660360), (8, 2327815), (10, 1862252), (14, 1330180), (20, 931126), (28, 665090), (35, 532072), (40, 465563), (56, 332545), (70, 266036), (140, 133018), (280, 66509)]