19503123

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4877}}^1$

素因数の和:4954

約数の個数: 16

約数和(自身を含む): 27472896

約数和(自身を除く): 7969773

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 4877, 14631, 151187, 209711, 453561, 629133, 6501041, 19503123]

約数ペア:

[(1, 19503123), (3, 6501041), (31, 629133), (43, 453561), (93, 209711), (129, 151187), (1333, 14631), (3999, 4877)]