18723885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{727}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 32078592

約数和(自身を除く): 13354707

約数列:

[1, 3, 5, 15, 17, 51, 85, 101, 255, 303, 505, 727, 1515, 1717, 2181, 3635, 5151, 8585, 10905, 12359, 25755, 37077, 61795, 73427, 185385, 220281, 367135, 1101405, 1248259, 3744777, 6241295, 18723885]

約数ペア:

[(1, 18723885), (3, 6241295), (5, 3744777), (15, 1248259), (17, 1101405), (51, 367135), (85, 220281), (101, 185385), (255, 73427), (303, 61795), (505, 37077), (727, 25755), (1515, 12359), (1717, 10905), (2181, 8585), (3635, 5151)]