20180899851

素因数分解:

$3^1\times 7^2\times {\mathrm{577}}^1\times {\mathrm{237929}}^1$

素因数の和:238523

約数の個数: 24

約数和(自身を含む): 31355367120

約数和(自身を除く): 11174467269

約数列:

[1, 3, 7, 21, 49, 147, 577, 1731, 4039, 12117, 28273, 84819, 237929, 713787, 1665503, 4996509, 11658521, 34975563, 137285033, 411855099, 960995231, 2882985693, 6726966617, 20180899851]

約数ペア:

[(1, 20180899851), (3, 6726966617), (7, 2882985693), (21, 960995231), (49, 411855099), (147, 137285033), (577, 34975563), (1731, 11658521), (4039, 4996509), (12117, 1665503), (28273, 713787), (84819, 237929)]