18867416

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{138731}}^1$

素因数の和:138754

約数の個数: 16

約数和(自身を含む): 37457640

約数和(自身を除く): 18590224

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 138731, 277462, 554924, 1109848, 2358427, 4716854, 9433708, 18867416]

約数ペア:

[(1, 18867416), (2, 9433708), (4, 4716854), (8, 2358427), (17, 1109848), (34, 554924), (68, 277462), (136, 138731)]