18891664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{107339}}^1$

素因数の和:107358

約数の個数: 20

約数和(自身を含む): 39930480

約数和(自身を除く): 21038816

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 107339, 214678, 429356, 858712, 1180729, 1717424, 2361458, 4722916, 9445832, 18891664]

約数ペア:

[(1, 18891664), (2, 9445832), (4, 4722916), (8, 2361458), (11, 1717424), (16, 1180729), (22, 858712), (44, 429356), (88, 214678), (176, 107339)]