19011025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{947}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 26096544

約数和(自身を除く): 7085519

約数列:

[1, 5, 11, 25, 55, 73, 275, 365, 803, 947, 1825, 4015, 4735, 10417, 20075, 23675, 52085, 69131, 260425, 345655, 760441, 1728275, 3802205, 19011025]

約数ペア:

[(1, 19011025), (5, 3802205), (11, 1728275), (25, 760441), (55, 345655), (73, 260425), (275, 69131), (365, 52085), (803, 23675), (947, 20075), (1825, 10417), (4015, 4735)]