18251018548

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{647}}^1\times {\mathrm{2393}}^1$

素因数の和:3472

約数の個数: 48

約数和(自身を含む): 36660605184

約数和(自身を除く): 18409586636

約数列:

[1, 2, 4, 7, 14, 28, 421, 647, 842, 1294, 1684, 2393, 2588, 2947, 4529, 4786, 5894, 9058, 9572, 11788, 16751, 18116, 33502, 67004, 272387, 544774, 1007453, 1089548, 1548271, 1906709, 2014906, 3096542, 3813418, 4029812, 6193084, 7052171, 7626836, 10837897, 14104342, 21675794, 28208684, 43351588, 651822091, 1303644182, 2607288364, 4562754637, 9125509274, 18251018548]

約数ペア:

[(1, 18251018548), (2, 9125509274), (4, 4562754637), (7, 2607288364), (14, 1303644182), (28, 651822091), (421, 43351588), (647, 28208684), (842, 21675794), (1294, 14104342), (1684, 10837897), (2393, 7626836), (2588, 7052171), (2947, 6193084), (4529, 4029812), (4786, 3813418), (5894, 3096542), (9058, 2014906), (9572, 1906709), (11788, 1548271), (16751, 1089548), (18116, 1007453), (33502, 544774), (67004, 272387)]