19128208

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{433}}^1$

素因数の和:703

約数の個数: 40

約数和(自身を含む): 40684896

約数和(自身を除く): 21556688

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 251, 433, 502, 866, 1004, 1732, 2008, 2761, 3464, 4016, 4763, 5522, 6928, 9526, 11044, 19052, 22088, 38104, 44176, 76208, 108683, 217366, 434732, 869464, 1195513, 1738928, 2391026, 4782052, 9564104, 19128208]

約数ペア:

[(1, 19128208), (2, 9564104), (4, 4782052), (8, 2391026), (11, 1738928), (16, 1195513), (22, 869464), (44, 434732), (88, 217366), (176, 108683), (251, 76208), (433, 44176), (502, 38104), (866, 22088), (1004, 19052), (1732, 11044), (2008, 9526), (2761, 6928), (3464, 5522), (4016, 4763)]