18366885

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 35458560

約数和(自身を除く): 17091675

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 53, 85, 135, 151, 153, 159, 255, 265, 453, 459, 477, 755, 765, 795, 901, 1359, 1431, 2265, 2295, 2385, 2567, 2703, 4077, 4505, 6795, 7155, 7701, 8003, 8109, 12835, 13515, 20385, 23103, 24009, 24327, 38505, 40015, 40545, 69309, 72027, 115515, 120045, 121635, 136051, 216081, 346545, 360135, 408153, 680255, 1080405, 1224459, 2040765, 3673377, 6122295, 18366885]

約数ペア:

[(1, 18366885), (3, 6122295), (5, 3673377), (9, 2040765), (15, 1224459), (17, 1080405), (27, 680255), (45, 408153), (51, 360135), (53, 346545), (85, 216081), (135, 136051), (151, 121635), (153, 120045), (159, 115515), (255, 72027), (265, 69309), (453, 40545), (459, 40015), (477, 38505), (755, 24327), (765, 24009), (795, 23103), (901, 20385), (1359, 13515), (1431, 12835), (2265, 8109), (2295, 8003), (2385, 7701), (2567, 7155), (2703, 6795), (4077, 4505)]