19511008

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{5039}}^1$

素因数の和:5071

約数の個数: 36

約数和(自身を含む): 42230160

約数和(自身を除く): 22719152

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 5039, 10078, 20156, 40312, 55429, 80624, 110858, 161248, 221716, 443432, 609719, 886864, 1219438, 1773728, 2438876, 4877752, 9755504, 19511008]

約数ペア:

[(1, 19511008), (2, 9755504), (4, 4877752), (8, 2438876), (11, 1773728), (16, 1219438), (22, 886864), (32, 609719), (44, 443432), (88, 221716), (121, 161248), (176, 110858), (242, 80624), (352, 55429), (484, 40312), (968, 20156), (1936, 10078), (3872, 5039)]