18858729

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 28304640

約数和(自身を除く): 9445911

約数列:

[1, 3, 17, 29, 41, 51, 87, 123, 311, 493, 697, 933, 1189, 1479, 2091, 3567, 5287, 9019, 12751, 15861, 20213, 27057, 38253, 60639, 153323, 216767, 369779, 459969, 650301, 1109337, 6286243, 18858729]

約数ペア:

[(1, 18858729), (3, 6286243), (17, 1109337), (29, 650301), (41, 459969), (51, 369779), (87, 216767), (123, 153323), (311, 60639), (493, 38253), (697, 27057), (933, 20213), (1189, 15861), (1479, 12751), (2091, 9019), (3567, 5287)]