19620159

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 30227904

約数和(自身を除く): 10607745

約数列:

[1, 3, 13, 17, 39, 51, 101, 221, 293, 303, 663, 879, 1313, 1717, 3809, 3939, 4981, 5151, 11427, 14943, 22321, 29593, 64753, 66963, 88779, 194259, 384709, 503081, 1154127, 1509243, 6540053, 19620159]

約数ペア:

[(1, 19620159), (3, 6540053), (13, 1509243), (17, 1154127), (39, 503081), (51, 384709), (101, 194259), (221, 88779), (293, 66963), (303, 64753), (663, 29593), (879, 22321), (1313, 14943), (1717, 11427), (3809, 5151), (3939, 4981)]