1998185274

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{649183}}^1$

素因数の和:649216

約数の個数: 40

約数和(自身を含む): 4713075840

約数和(自身を除く): 2714890566

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 649183, 1298366, 1947549, 3895098, 5842647, 11685294, 12334477, 17527941, 24668954, 35055882, 37003431, 52583823, 74006862, 105167646, 111010293, 222020586, 333030879, 666061758, 999092637, 1998185274]

約数ペア:

[(1, 1998185274), (2, 999092637), (3, 666061758), (6, 333030879), (9, 222020586), (18, 111010293), (19, 105167646), (27, 74006862), (38, 52583823), (54, 37003431), (57, 35055882), (81, 24668954), (114, 17527941), (162, 12334477), (171, 11685294), (342, 5842647), (513, 3895098), (1026, 1947549), (1539, 1298366), (3078, 649183)]