19192020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3167}}^1$

素因数の和:3280

約数の個数: 48

約数和(自身を含む): 54286848

約数和(自身を除く): 35094828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 3167, 6060, 6334, 9501, 12668, 15835, 19002, 31670, 38004, 47505, 63340, 95010, 190020, 319867, 639734, 959601, 1279468, 1599335, 1919202, 3198670, 3838404, 4798005, 6397340, 9596010, 19192020]

約数ペア:

[(1, 19192020), (2, 9596010), (3, 6397340), (4, 4798005), (5, 3838404), (6, 3198670), (10, 1919202), (12, 1599335), (15, 1279468), (20, 959601), (30, 639734), (60, 319867), (101, 190020), (202, 95010), (303, 63340), (404, 47505), (505, 38004), (606, 31670), (1010, 19002), (1212, 15835), (1515, 12668), (2020, 9501), (3030, 6334), (3167, 6060)]