16981212

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1049}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 25354788

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 114, 142, 213, 228, 284, 426, 852, 1049, 1349, 2098, 2698, 3147, 4047, 4196, 5396, 6294, 8094, 12588, 16188, 19931, 39862, 59793, 74479, 79724, 119586, 148958, 223437, 239172, 297916, 446874, 893748, 1415101, 2830202, 4245303, 5660404, 8490606, 16981212]

約数ペア:

[(1, 16981212), (2, 8490606), (3, 5660404), (4, 4245303), (6, 2830202), (12, 1415101), (19, 893748), (38, 446874), (57, 297916), (71, 239172), (76, 223437), (114, 148958), (142, 119586), (213, 79724), (228, 74479), (284, 59793), (426, 39862), (852, 19931), (1049, 16188), (1349, 12588), (2098, 8094), (2698, 6294), (3147, 5396), (4047, 4196)]