19613220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29717}}^1$

素因数の和:29740

約数の個数: 48

約数和(自身を含む): 59911488

約数和(自身を除く): 40298268

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 29717, 59434, 89151, 118868, 148585, 178302, 297170, 326887, 356604, 445755, 594340, 653774, 891510, 980661, 1307548, 1634435, 1783020, 1961322, 3268870, 3922644, 4903305, 6537740, 9806610, 19613220]

約数ペア:

[(1, 19613220), (2, 9806610), (3, 6537740), (4, 4903305), (5, 3922644), (6, 3268870), (10, 1961322), (11, 1783020), (12, 1634435), (15, 1307548), (20, 980661), (22, 891510), (30, 653774), (33, 594340), (44, 445755), (55, 356604), (60, 326887), (66, 297170), (110, 178302), (132, 148585), (165, 118868), (220, 89151), (330, 59434), (660, 29717)]