19004725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 25264008

約数和(自身を除く): 6259283

約数列:

[1, 5, 17, 25, 85, 97, 425, 461, 485, 1649, 2305, 2425, 7837, 8245, 11525, 39185, 41225, 44717, 195925, 223585, 760189, 1117925, 3800945, 19004725]

約数ペア:

[(1, 19004725), (5, 3800945), (17, 1117925), (25, 760189), (85, 223585), (97, 195925), (425, 44717), (461, 41225), (485, 39185), (1649, 11525), (2305, 8245), (2425, 7837)]