18990804567

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{228307}}^1$

素因数の和:228567

約数の個数: 32

約数和(自身を含む): 30772265472

約数和(自身を除く): 11781460905

約数列:

[1, 3, 7, 17, 21, 51, 119, 233, 357, 699, 1631, 3961, 4893, 11883, 27727, 83181, 228307, 684921, 1598149, 3881219, 4794447, 11643657, 27168533, 53195531, 81505599, 159586593, 372368717, 904324027, 1117106151, 2712972081, 6330268189, 18990804567]

約数ペア:

[(1, 18990804567), (3, 6330268189), (7, 2712972081), (17, 1117106151), (21, 904324027), (51, 372368717), (119, 159586593), (233, 81505599), (357, 53195531), (699, 27168533), (1631, 11643657), (3961, 4794447), (4893, 3881219), (11883, 1598149), (27727, 684921), (83181, 228307)]