19883319

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 29647296

約数和(自身を除く): 9763977

約数列:

[1, 3, 17, 37, 41, 51, 111, 123, 257, 629, 697, 771, 1517, 1887, 2091, 4369, 4551, 9509, 10537, 13107, 25789, 28527, 31611, 77367, 161653, 179129, 389869, 484959, 537387, 1169607, 6627773, 19883319]

約数ペア:

[(1, 19883319), (3, 6627773), (17, 1169607), (37, 537387), (41, 484959), (51, 389869), (111, 179129), (123, 161653), (257, 77367), (629, 31611), (697, 28527), (771, 25789), (1517, 13107), (1887, 10537), (2091, 9509), (4369, 4551)]