18626440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{66523}}^1$

素因数の和:66541

約数の個数: 32

約数和(自身を含む): 47897280

約数和(自身を除く): 29270840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 66523, 133046, 266092, 332615, 465661, 532184, 665230, 931322, 1330460, 1862644, 2328305, 2660920, 3725288, 4656610, 9313220, 18626440]

約数ペア:

[(1, 18626440), (2, 9313220), (4, 4656610), (5, 3725288), (7, 2660920), (8, 2328305), (10, 1862644), (14, 1330460), (20, 931322), (28, 665230), (35, 532184), (40, 465661), (56, 332615), (70, 266092), (140, 133046), (280, 66523)]