2019981257

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{192251}}^1$

素因数の和:192356

約数の個数: 16

約数和(自身を含む): 2460825600

約数和(自身を除く): 440844343

約数列:

[1, 7, 19, 79, 133, 553, 1501, 10507, 192251, 1345757, 3652769, 15187829, 25569383, 106314803, 288568751, 2019981257]

約数ペア:

[(1, 2019981257), (7, 288568751), (19, 106314803), (79, 25569383), (133, 15187829), (553, 3652769), (1501, 1345757), (10507, 192251)]