19957093

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 22256640

約数和(自身を除く): 2299547

約数列:

[1, 13, 47, 89, 367, 611, 1157, 4183, 4771, 17249, 32663, 54379, 224237, 424619, 1535161, 19957093]

約数ペア:

[(1, 19957093), (13, 1535161), (47, 424619), (89, 224237), (367, 54379), (611, 32663), (1157, 17249), (4183, 4771)]