19733329

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1181}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 25871616

約数和(自身を除く): 6138287

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 539, 1181, 1519, 2387, 8267, 12991, 16709, 36611, 57869, 90937, 256277, 402721, 636559, 1793939, 2819047, 19733329]

約数ペア:

[(1, 19733329), (7, 2819047), (11, 1793939), (31, 636559), (49, 402721), (77, 256277), (217, 90937), (341, 57869), (539, 36611), (1181, 16709), (1519, 12991), (2387, 8267)]