18879861

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6287}}^1$

素因数の和:6321

約数の個数: 32

約数和(自身を含む): 33804288

約数和(自身を除く): 14924427

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 6287, 18861, 44009, 69157, 81731, 132027, 207471, 245193, 484099, 572117, 899041, 1452297, 1716351, 2697123, 6293287, 18879861]

約数ペア:

[(1, 18879861), (3, 6293287), (7, 2697123), (11, 1716351), (13, 1452297), (21, 899041), (33, 572117), (39, 484099), (77, 245193), (91, 207471), (143, 132027), (231, 81731), (273, 69157), (429, 44009), (1001, 18861), (3003, 6287)]