220939486

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{5867}}^1$

素因数の和:6879

約数の個数: 16

約数和(自身を含む): 349263360

約数和(自身を除く): 128323874

約数列:

[1, 2, 19, 38, 991, 1982, 5867, 11734, 18829, 37658, 111473, 222946, 5814197, 11628394, 110469743, 220939486]

約数ペア:

[(1, 220939486), (2, 110469743), (19, 11628394), (38, 5814197), (991, 222946), (1982, 111473), (5867, 37658), (11734, 18829)]