19775294

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{128411}}^1$

素因数の和:128431

約数の個数: 16

約数和(自身を含む): 36982656

約数和(自身を除く): 17207362

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 128411, 256822, 898877, 1412521, 1797754, 2825042, 9887647, 19775294]

約数ペア:

[(1, 19775294), (2, 9887647), (7, 2825042), (11, 1797754), (14, 1412521), (22, 898877), (77, 256822), (154, 128411)]