19968072092

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4135889}}^1$

素因数の和:4135981

約数の個数: 24

約数和(自身を含む): 37520794080

約数和(自身を除く): 17552721988

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4828, 4135889, 8271778, 16543556, 70310113, 140620226, 281240452, 293648119, 587296238, 1174592476, 4992018023, 9984036046, 19968072092]

約数ペア:

[(1, 19968072092), (2, 9984036046), (4, 4992018023), (17, 1174592476), (34, 587296238), (68, 293648119), (71, 281240452), (142, 140620226), (284, 70310113), (1207, 16543556), (2414, 8271778), (4828, 4135889)]