19955002

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1\times {\mathrm{313}}^1$

素因数の和:693

約数の個数: 16

約数和(自身を含む): 30385152

約数和(自身を除く): 10430150

約数列:

[1, 2, 127, 251, 254, 313, 502, 626, 31877, 39751, 63754, 78563, 79502, 157126, 9977501, 19955002]

約数ペア:

[(1, 19955002), (2, 9977501), (127, 157126), (251, 79502), (254, 78563), (313, 63754), (502, 39751), (626, 31877)]