19412140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{88237}}^1$

素因数の和:88257

約数の個数: 24

約数和(自身を含む): 44471952

約数和(自身を除く): 25059812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 88237, 176474, 352948, 441185, 882370, 970607, 1764740, 1941214, 3882428, 4853035, 9706070, 19412140]

約数ペア:

[(1, 19412140), (2, 9706070), (4, 4853035), (5, 3882428), (10, 1941214), (11, 1764740), (20, 970607), (22, 882370), (44, 441185), (55, 352948), (110, 176474), (220, 88237)]