18802020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16493}}^1$

素因数の和:16524

約数の個数: 48

約数和(自身を含む): 55419840

約数和(自身を除く): 36617820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 16493, 32986, 49479, 65972, 82465, 98958, 164930, 197916, 247395, 313367, 329860, 494790, 626734, 940101, 989580, 1253468, 1566835, 1880202, 3133670, 3760404, 4700505, 6267340, 9401010, 18802020]

約数ペア:

[(1, 18802020), (2, 9401010), (3, 6267340), (4, 4700505), (5, 3760404), (6, 3133670), (10, 1880202), (12, 1566835), (15, 1253468), (19, 989580), (20, 940101), (30, 626734), (38, 494790), (57, 329860), (60, 313367), (76, 247395), (95, 197916), (114, 164930), (190, 98958), (228, 82465), (285, 65972), (380, 49479), (570, 32986), (1140, 16493)]