18348165

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 35133696

約数和(自身を除く): 16785531

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 101, 165, 303, 367, 495, 505, 909, 1101, 1111, 1515, 1835, 3303, 3333, 4037, 4545, 5505, 5555, 9999, 12111, 16515, 16665, 20185, 36333, 37067, 49995, 60555, 111201, 181665, 185335, 333603, 407737, 556005, 1223211, 1668015, 2038685, 3669633, 6116055, 18348165]

約数ペア:

[(1, 18348165), (3, 6116055), (5, 3669633), (9, 2038685), (11, 1668015), (15, 1223211), (33, 556005), (45, 407737), (55, 333603), (99, 185335), (101, 181665), (165, 111201), (303, 60555), (367, 49995), (495, 37067), (505, 36333), (909, 20185), (1101, 16665), (1111, 16515), (1515, 12111), (1835, 9999), (3303, 5555), (3333, 5505), (4037, 4545)]