19787406

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{143387}}^1$

素因数の和:143415

約数の個数: 16

約数和(自身を含む): 41295744

約数和(自身を除く): 21508338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 143387, 286774, 430161, 860322, 3297901, 6595802, 9893703, 19787406]

約数ペア:

[(1, 19787406), (2, 9893703), (3, 6595802), (6, 3297901), (23, 860322), (46, 430161), (69, 286774), (138, 143387)]