18535712

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2621}}^1$

素因数の和:2661

約数の個数: 48

約数和(自身を含む): 41626872

約数和(自身を除く): 23091160

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 2621, 3536, 5242, 7072, 10484, 20968, 34073, 41936, 44557, 68146, 83872, 89114, 136292, 178228, 272584, 356456, 545168, 579241, 712912, 1090336, 1158482, 1425824, 2316964, 4633928, 9267856, 18535712]

約数ペア:

[(1, 18535712), (2, 9267856), (4, 4633928), (8, 2316964), (13, 1425824), (16, 1158482), (17, 1090336), (26, 712912), (32, 579241), (34, 545168), (52, 356456), (68, 272584), (104, 178228), (136, 136292), (208, 89114), (221, 83872), (272, 68146), (416, 44557), (442, 41936), (544, 34073), (884, 20968), (1768, 10484), (2621, 7072), (3536, 5242)]