20181230

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106217}}^1$

素因数の和:106243

約数の個数: 16

約数和(自身を含む): 38238480

約数和(自身を除く): 18057250

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 106217, 212434, 531085, 1062170, 2018123, 4036246, 10090615, 20181230]

約数ペア:

[(1, 20181230), (2, 10090615), (5, 4036246), (10, 2018123), (19, 1062170), (38, 531085), (95, 212434), (190, 106217)]