19021904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{108079}}^1$

素因数の和:108098

約数の個数: 20

約数和(自身を含む): 40205760

約数和(自身を除く): 21183856

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 108079, 216158, 432316, 864632, 1188869, 1729264, 2377738, 4755476, 9510952, 19021904]

約数ペア:

[(1, 19021904), (2, 9510952), (4, 4755476), (8, 2377738), (11, 1729264), (16, 1188869), (22, 864632), (44, 432316), (88, 216158), (176, 108079)]