19556944

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{111119}}^1$

素因数の和:111138

約数の個数: 20

約数和(自身を含む): 41336640

約数和(自身を除く): 21779696

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 111119, 222238, 444476, 888952, 1222309, 1777904, 2444618, 4889236, 9778472, 19556944]

約数ペア:

[(1, 19556944), (2, 9778472), (4, 4889236), (8, 2444618), (11, 1777904), (16, 1222309), (22, 888952), (44, 444476), (88, 222238), (176, 111119)]