19605816

素因数分解:

$2^3\times 3^2\times {\mathrm{317}}^1\times {\mathrm{859}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 53328600

約数和(自身を除く): 33722784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 317, 634, 859, 951, 1268, 1718, 1902, 2536, 2577, 2853, 3436, 3804, 5154, 5706, 6872, 7608, 7731, 10308, 11412, 15462, 20616, 22824, 30924, 61848, 272303, 544606, 816909, 1089212, 1633818, 2178424, 2450727, 3267636, 4901454, 6535272, 9802908, 19605816]

約数ペア:

[(1, 19605816), (2, 9802908), (3, 6535272), (4, 4901454), (6, 3267636), (8, 2450727), (9, 2178424), (12, 1633818), (18, 1089212), (24, 816909), (36, 544606), (72, 272303), (317, 61848), (634, 30924), (859, 22824), (951, 20616), (1268, 15462), (1718, 11412), (1902, 10308), (2536, 7731), (2577, 7608), (2853, 6872), (3436, 5706), (3804, 5154)]