19854076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{919}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 38021760

約数和(自身を除く): 18167684

約数列:

[1, 2, 4, 11, 22, 44, 491, 919, 982, 1838, 1964, 3676, 5401, 10109, 10802, 20218, 21604, 40436, 451229, 902458, 1804916, 4963519, 9927038, 19854076]

約数ペア:

[(1, 19854076), (2, 9927038), (4, 4963519), (11, 1804916), (22, 902458), (44, 451229), (491, 40436), (919, 21604), (982, 20218), (1838, 10802), (1964, 10109), (3676, 5401)]