18541348

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 39287808

約数和(自身を除く): 20746460

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 62, 82, 124, 164, 217, 287, 434, 521, 574, 868, 1042, 1148, 1271, 2084, 2542, 3647, 5084, 7294, 8897, 14588, 16151, 17794, 21361, 32302, 35588, 42722, 64604, 85444, 113057, 149527, 226114, 299054, 452228, 598108, 662191, 1324382, 2648764, 4635337, 9270674, 18541348]

約数ペア:

[(1, 18541348), (2, 9270674), (4, 4635337), (7, 2648764), (14, 1324382), (28, 662191), (31, 598108), (41, 452228), (62, 299054), (82, 226114), (124, 149527), (164, 113057), (217, 85444), (287, 64604), (434, 42722), (521, 35588), (574, 32302), (868, 21361), (1042, 17794), (1148, 16151), (1271, 14588), (2084, 8897), (2542, 7294), (3647, 5084)]