18419427

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 29744960

約数和(自身を除く): 11325533

約数列:

[1, 3, 9, 13, 27, 39, 97, 117, 291, 351, 541, 873, 1261, 1623, 2619, 3783, 4869, 7033, 11349, 14607, 21099, 34047, 52477, 63297, 157431, 189891, 472293, 682201, 1416879, 2046603, 6139809, 18419427]

約数ペア:

[(1, 18419427), (3, 6139809), (9, 2046603), (13, 1416879), (27, 682201), (39, 472293), (97, 189891), (117, 157431), (291, 63297), (351, 52477), (541, 34047), (873, 21099), (1261, 14607), (1623, 11349), (2619, 7033), (3783, 4869)]