19516090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^2$

素因数の和:283

約数の個数: 36

約数和(自身を含む): 38919258

約数和(自身を除く): 19403168

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 127, 242, 254, 605, 635, 1210, 1270, 1397, 2794, 6985, 13970, 15367, 16129, 30734, 32258, 76835, 80645, 153670, 161290, 177419, 354838, 887095, 1774190, 1951609, 3903218, 9758045, 19516090]

約数ペア:

[(1, 19516090), (2, 9758045), (5, 3903218), (10, 1951609), (11, 1774190), (22, 887095), (55, 354838), (110, 177419), (121, 161290), (127, 153670), (242, 80645), (254, 76835), (605, 32258), (635, 30734), (1210, 16129), (1270, 15367), (1397, 13970), (2794, 6985)]