18392385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 16444095

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 79, 83, 85, 165, 187, 237, 249, 255, 395, 415, 561, 869, 913, 935, 1185, 1245, 1343, 1411, 2607, 2739, 2805, 4029, 4233, 4345, 4565, 6557, 6715, 7055, 13035, 13695, 14773, 15521, 19671, 20145, 21165, 32785, 44319, 46563, 72127, 73865, 77605, 98355, 111469, 216381, 221595, 232815, 334407, 360635, 557345, 1081905, 1226159, 1672035, 3678477, 6130795, 18392385]

約数ペア:

[(1, 18392385), (3, 6130795), (5, 3678477), (11, 1672035), (15, 1226159), (17, 1081905), (33, 557345), (51, 360635), (55, 334407), (79, 232815), (83, 221595), (85, 216381), (165, 111469), (187, 98355), (237, 77605), (249, 73865), (255, 72127), (395, 46563), (415, 44319), (561, 32785), (869, 21165), (913, 20145), (935, 19671), (1185, 15521), (1245, 14773), (1343, 13695), (1411, 13035), (2607, 7055), (2739, 6715), (2805, 6557), (4029, 4565), (4233, 4345)]