19340321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^2$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 26155584

約数和(自身を除く): 6815263

約数列:

[1, 7, 11, 13, 77, 91, 139, 143, 973, 1001, 1529, 1807, 10703, 12649, 19321, 19877, 135247, 139139, 212531, 251173, 1487717, 1758211, 2762903, 19340321]

約数ペア:

[(1, 19340321), (7, 2762903), (11, 1758211), (13, 1487717), (77, 251173), (91, 212531), (139, 139139), (143, 135247), (973, 19877), (1001, 19321), (1529, 12649), (1807, 10703)]