18772209791

素因数分解:

${\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 20052748800

約数和(自身を除く): 1280539009

約数列:

[1, 29, 71, 107, 139, 613, 2059, 3103, 4031, 7597, 9869, 14873, 17777, 43523, 65591, 85207, 220313, 286201, 431317, 1055983, 1262167, 1902139, 2471003, 4656961, 6049697, 9117149, 30623507, 135051869, 175441213, 264397321, 647317579, 18772209791]

約数ペア:

[(1, 18772209791), (29, 647317579), (71, 264397321), (107, 175441213), (139, 135051869), (613, 30623507), (2059, 9117149), (3103, 6049697), (4031, 4656961), (7597, 2471003), (9869, 1902139), (14873, 1262167), (17777, 1055983), (43523, 431317), (65591, 286201), (85207, 220313)]