18778860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{104327}}^1$

素因数の和:104342

約数の個数: 36

約数和(自身を含む): 56963088

約数和(自身を除く): 38184228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 104327, 208654, 312981, 417308, 521635, 625962, 938943, 1043270, 1251924, 1564905, 1877886, 2086540, 3129810, 3755772, 4694715, 6259620, 9389430, 18778860]

約数ペア:

[(1, 18778860), (2, 9389430), (3, 6259620), (4, 4694715), (5, 3755772), (6, 3129810), (9, 2086540), (10, 1877886), (12, 1564905), (15, 1251924), (18, 1043270), (20, 938943), (30, 625962), (36, 521635), (45, 417308), (60, 312981), (90, 208654), (180, 104327)]