19997272

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131561}}^1$

素因数の和:131586

約数の個数: 16

約数和(自身を含む): 39468600

約数和(自身を除く): 19471328

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 131561, 263122, 526244, 1052488, 2499659, 4999318, 9998636, 19997272]

約数ペア:

[(1, 19997272), (2, 9998636), (4, 4999318), (8, 2499659), (19, 1052488), (38, 526244), (76, 263122), (152, 131561)]