19778132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{6709}}^1$

素因数の和:6791

約数の個数: 24

約数和(自身を含む): 38327520

約数和(自身を除く): 18549388

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 6709, 13418, 26836, 73799, 147598, 295196, 449503, 899006, 1798012, 4944533, 9889066, 19778132]

約数ペア:

[(1, 19778132), (2, 9889066), (4, 4944533), (11, 1798012), (22, 899006), (44, 449503), (67, 295196), (134, 147598), (268, 73799), (737, 26836), (1474, 13418), (2948, 6709)]