19438760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44179}}^1$

素因数の和:44201

約数の個数: 32

約数和(自身を含む): 47714400

約数和(自身を除く): 28275640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44179, 88358, 176716, 220895, 353432, 441790, 485969, 883580, 971938, 1767160, 1943876, 2429845, 3887752, 4859690, 9719380, 19438760]

約数ペア:

[(1, 19438760), (2, 9719380), (4, 4859690), (5, 3887752), (8, 2429845), (10, 1943876), (11, 1767160), (20, 971938), (22, 883580), (40, 485969), (44, 441790), (55, 353432), (88, 220895), (110, 176716), (220, 88358), (440, 44179)]