19161441

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 31874304

約数和(自身を除く): 12712863

約数列:

[1, 3, 9, 13, 27, 31, 39, 81, 93, 117, 279, 351, 403, 587, 837, 1053, 1209, 1761, 2511, 3627, 5283, 7631, 10881, 15849, 18197, 22893, 32643, 47547, 54591, 68679, 163773, 206037, 236561, 491319, 618111, 709683, 1473957, 2129049, 6387147, 19161441]

約数ペア:

[(1, 19161441), (3, 6387147), (9, 2129049), (13, 1473957), (27, 709683), (31, 618111), (39, 491319), (81, 236561), (93, 206037), (117, 163773), (279, 68679), (351, 54591), (403, 47547), (587, 32643), (837, 22893), (1053, 18197), (1209, 15849), (1761, 10881), (2511, 7631), (3627, 5283)]