18980007

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 28486080

約数和(自身を除く): 9506073

約数列:

[1, 3, 17, 29, 41, 51, 87, 123, 313, 493, 697, 939, 1189, 1479, 2091, 3567, 5321, 9077, 12833, 15963, 20213, 27231, 38499, 60639, 154309, 218161, 372157, 462927, 654483, 1116471, 6326669, 18980007]

約数ペア:

[(1, 18980007), (3, 6326669), (17, 1116471), (29, 654483), (41, 462927), (51, 372157), (87, 218161), (123, 154309), (313, 60639), (493, 38499), (697, 27231), (939, 20213), (1189, 15963), (1479, 12833), (2091, 9077), (3567, 5321)]