19355864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{219953}}^1$

素因数の和:219970

約数の個数: 16

約数和(自身を含む): 39591720

約数和(自身を除く): 20235856

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 219953, 439906, 879812, 1759624, 2419483, 4838966, 9677932, 19355864]

約数ペア:

[(1, 19355864), (2, 9677932), (4, 4838966), (8, 2419483), (11, 1759624), (22, 879812), (44, 439906), (88, 219953)]