19386891

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 29917440

約数和(自身を除く): 10530549

約数列:

[1, 3, 9, 27, 41, 83, 123, 211, 249, 369, 633, 747, 1107, 1899, 2241, 3403, 5697, 8651, 10209, 17513, 25953, 30627, 52539, 77859, 91881, 157617, 233577, 472851, 718033, 2154099, 6462297, 19386891]

約数ペア:

[(1, 19386891), (3, 6462297), (9, 2154099), (27, 718033), (41, 472851), (83, 233577), (123, 157617), (211, 91881), (249, 77859), (369, 52539), (633, 30627), (747, 25953), (1107, 17513), (1899, 10209), (2241, 8651), (3403, 5697)]